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  1. Caffeine During Pregnancy
  2. CAGE Questionnaire for Alcohol Problems
  3. Calcium (Ca) in Blood Test - Medical Test
  4. Calcium (Ca) in Urine Test - Medical Test
  5. Calcium Deposits and Tendinitis (Calcific Tendinitis)
  6. Calf Muscle Injury
  7. Calluses and Corns
  8. Calluses and Corns: Protective Padding
  9. Calluses and Corns: Using Pumice Stones
  10. Calming Your Mind With Mindfulness-Based Stress Reduction (MBSR)
  11. Cal's Story: Learning to Exercise When You Have COPD
  12. Campylobacteriosis
  13. Cancell/Cantron/Protocel (PDQ®): Integrative, alternative, and complementary therapies - Health Professional Information [NCI]
  14. Cancell/Cantron/Protocel (PDQ®): Integrative, alternative, and complementary therapies - Patient Information [NCI]
  15. Cancer
  16. Cancer: Adjusting Over Time (video)
  17. Cancer Antigen 125 (CA-125) Test - Medical Test
  18. Cancer: Controlling Cancer Pain
  19. Cancer: Controlling Nausea and Vomiting From Chemotherapy
  20. Cancer: Dealing With Stress (video)
  21. Cancer During Pregnancy
  22. Cancer: Finding Peace in Spirituality (video)
  23. Cancer: Finding Your Strength (video)
  24. Cancer Genetics Overview (PDQ®): Genetics - Health Professional Information [NCI]
  25. Cancer Genetics Risk Assessment and Counseling (PDQ®): Genetics - Health Professional Information [NCI]
  26. Cancer: Help for Fatigue (video)
  27. Cancer: Home Treatment for Constipation
  28. Cancer: Home Treatment for Diarrhea
  29. Cancer: Home Treatment for Fatigue
  30. Cancer: Home Treatment for Mouth Sores
  31. Cancer: Home Treatment for Nausea or Vomiting
  32. Cancer: Home Treatment for Pain
  33. Cancer: Home Treatment for Sleep Problems
  34. Cancer: How It Affects Your Relationships (video)
  35. Cancer: How to Talk to Your Children (video)
  36. Cancer: Life After Treatment (video)
  37. Cancer Pain
  38. Cancer Pain (PDQ®): Supportive care - Health Professional Information [NCI]
  39. Cancer Pain (PDQ®): Supportive care - Patient Information [NCI]
  40. Cancer: Preparing for Hair Loss From Chemotherapy (video)
  41. Cancer Prevention Overview (PDQ®): Prevention - Health Professional Information [NCI]
  42. Cancer Prevention Overview (PDQ®): Prevention - Patient Information [NCI]
  43. Cancer Screening Overview (PDQ®): Screening - Health Professional Information [NCI]
  44. Cancer Screening Overview (PDQ®): Screening - Patient Information [NCI]
  45. Cancer Staging and Grading
  46. Cancer Support: Being an Active Patient
  47. Cancer Support: Coping With Cancer Treatments
  48. Cancer Support: Dealing With Emotions and Fears
  49. Cancer Support: Family, Friends, and Relationships
  50. Cancer Support: Finding Out That You Have Cancer
  51. Cancer Support: Life After Treatment
  52. Cancer Support: Managing Stress
  53. Cancer Support: When Your Cancer Comes Back or Gets Worse
  54. Cancer Therapy Interactions With Foods and Dietary Supplements (PDQ®): Integrative, alternative, and complementary therapies - Health Professional Information [NCI]
  55. Cancer Therapy Interactions With Foods and Dietary Supplements (PDQ®): Integrative, alternative, and complementary therapies - Patient Information [NCI]
  56. Cancer Treatment and Infertility
  57. Cancer Treatment: Help for Mouth and Throat Problems (video)
  58. Cancer Treatment: Help for When You Feel Sick or Lose Your Appetite (video)
  59. Cancer: Understanding Your Feelings (video)
  60. Cancer: When You First Find Out (video)
  61. Cancer: Your Support Network (video)
  62. Cancer-Related Post-traumatic Stress (PDQ®): Supportive care - Health Professional Information [NCI]
  63. Cancer-Related Post-traumatic Stress (PDQ®): Supportive care - Patient Information [NCI]
  64. Canker Sores
  65. Cannabis and Cannabinoids (PDQ®): Integrative, alternative, and complementary therapies - Health Professional Information [NCI]
  66. Cannabis and Cannabinoids (PDQ®): Integrative, alternative, and complementary therapies - Patient Information [NCI]
  67. Capsaicin
  68. Capsaicin for Osteoarthritis
  69. Car Seat Safety (video)
  70. Carbohydrate Foods
  71. Carbohydrates, Proteins, Fats, and Blood Sugar
  72. Carbon Dioxide (CO2) Test - Medical Test
  73. Carbon Dioxide Laser Surgery for Abnormal Cervical Cell Changes
  74. Carbon Monoxide (CO) Test - Medical Test
  75. Carbon Monoxide Poisoning
  76. Carbon Monoxide Poisoning: Protecting Your Home
  77. Carcinoembryonic Antigen (CEA) Test - Medical Test
  78. Carcinoma of Unknown Primary Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  79. Carcinoma of Unknown Primary Treatment (PDQ®): Treatment - Patient Information [NCI]
  80. Cardiac Arrest
  81. Cardiac Blood Pool Scan - Medical Test
  82. Cardiac Cachexia
  83. Cardiac Catheterization - Medical Test
  84. Cardiac Catheterization in Children - Medical Test
  85. Cardiac Device Monitoring
  86. Cardiac Enzyme Studies - Medical Test
  87. Cardiac Output
  88. Cardiac Perfusion Scan - Medical Test
  89. Cardiac Rehab: How It Can Help (video)
  90. Cardiac Rehab: What Is It? (video)
  91. Cardiac Rehabilitation
  92. Cardiac Rehabilitation: Emotional Health Benefits
  93. Cardiac Rehabilitation: Exercise
  94. Cardiac Rehabilitation: Home Program
  95. Cardiac Rehabilitation: Hospital Program
  96. Cardiac Rehabilitation: Lifestyle Changes
  97. Cardiac Rehabilitation: Maintenance Program
  98. Cardiac Rehabilitation: Medicine and Exercise
  99. Cardiac Rehabilitation: Monitoring Your Body's Response to Exercise
  100. Cardiac Rehabilitation: Outpatient Program
  101. Cardiac Rehabilitation Team
  102. Cardiac Rehabilitation: Weight and Resistance Training
  103. Cardiomyopathy
  104. Cardiopulmonary Syndromes (PDQ®): Supportive care - Health Professional Information [NCI]
  105. Cardiopulmonary Syndromes (PDQ®): Supportive care - Patient Information [NCI]
  106. Care at the End of Life
  107. Care for a Skin Wound (video)
  108. Care for a Skin Wound
  109. Care for an Indwelling Urinary Catheter
  110. Care for Minor Burns (video)
  111. Care in the Hospital: Bleeding Prevention and Blood Thinners (video)
  112. Care in the Hospital: Central Vascular Access Device (CVAD) (video)
  113. Care in the Hospital: Preventing a Urinary Catheter Infection (video)
  114. Care in the Hospital: Preventing Pressure Injuries (video)
  115. Care of an Insect Sting
  116. Caregiver Support: Talking About Advance Care Planning
  117. Caregiver Tips
  118. Caregiving: Adult Underwear for Incontinence
  119. Caregiving: Fingernail Care
  120. Caregiving: Foot and Toenail Care
  121. Caregiving: Helping Someone Get In and Out of a Car (video)
  122. Caregiving: Helping Someone With Eating
  123. Caregiving: How to Give a Bed Bath
  124. Caregiving: How to Help With a Shower
  125. Caregiving: How to Help With a Sink Bath
  126. Caregiving: How to Prepare (video)
  127. Caregiving: How to Turn a Person in Bed (video)
  128. Caregiving: How to Turn Someone in Bed
  129. Caregiving: Making a Home Safe
  130. Caregiving: Overview of Personal Care
  131. Caregiving: Preventing Rashes in the Groin Area
  132. Caregiving: Reducing Germs and Infection in the Home
  133. Caregiving: Shaving an Adult
  134. Caregiving: Skin Care for Immobile Adults
  135. Caregiving: Take Care of Yourself Too (video)
  136. Caregiving: Using a Bedpan or Urinal
  137. Caregiving: Using a Bedside Commode (Toilet)
  138. Caregiving: Using Disposable Gloves
  139. Caregiving: Washing and Styling Hair
  140. Caregiving: Washing Soiled Clothes and Linens
  141. Caring for a Baby With Neonatal Abstinence Syndrome (NAS) (video)
  142. Caring for a Baby's Nails
  143. Caring for a Drain After Surgery (video)
  144. Caring for Adults With Autism
  145. Caring for More Than One Baby
  146. Caring for Your Child's Drain After Surgery (video)
  147. Caring for Your Child's IV Site (video)
  148. Caring for Your Child's Trach (video)
  149. Caring for Your Feeding Tube (video)
  150. Caring for Your Implanted Port (video)
  151. Caring for Your IV Site (video)
  152. Caring for Your Newborn: Diapers (video)
  153. Caring for Your Newborn: Feeding (video)
  154. Caring for Your Newborn: Sleeping (video)
  155. Caring for Your Newborn: Umbilical Cord (video)
  156. Caring for Your PICC or Central IV Line (video)
  157. Caring for Your Skin When You Have Diabetes
  158. Caring for Your Stoma and Ostomy Bag (video)
  159. Caring for Your Tracheostomy (video)
  160. Caring for Your Urinary Catheter (video)
  161. Caring for Yourself After Cesarean Delivery (video)
  162. Caring for Yourself After Vaginal Delivery (video)
  163. Caring for Yourself While Your Baby Is in the NICU (video)
  164. Carole's Story: Taking Medicine Right Away to Stop a Migraine
  165. Carotid Artery Disease
  166. Carotid Artery Procedure: How Others Decided (video)
  167. Carotid Artery Procedures: Stroke Prevention (video)
  168. Carotid Artery Stenting
  169. Carotid Artery Stenting: Before Your Procedure (video)
  170. Carotid Artery Stenting: Returning Home (video)
  171. Carotid Endarterectomy
  172. Carotid Endarterectomy: Before Your Surgery (video)
  173. Carotid Endarterectomy: Returning Home (video)
  174. Carpal Tunnel Syndrome
  175. Carpal Tunnel Syndrome: A Few Tips for Preventing It (video)
  176. Carpal Tunnel Syndrome: Safe Posture and Movements
  177. Carpal Tunnel Syndrome: Should I Have Surgery?
  178. Carpal Tunnel Syndrome: Stretches (video)
  179. Cartilage (Bovine and Shark) (PDQ®): Integrative, alternative, and complementary therapies - Health Professional Information [NCI]
  180. Cartilage (Bovine and Shark) (PDQ®): Integrative, alternative, and complementary therapies - Patient Information [NCI]
  181. Cast Care Tips
  182. Cataract Surgery (video)
  183. Cataract Surgery
  184. Cataracts
  185. Cataracts: Eye Care After Surgery
  186. Cataracts in Children
  187. Cataracts: Questions About Surgery
  188. Cataracts: Should I Have Surgery?
  189. Catecholamines in Blood Test - Medical Test
  190. Catecholamines in Urine Test - Medical Test
  191. Catheter Ablation for a Fast Heart Rate
  192. Catheter Ablation for Atrial Fibrillation
  193. Catheter Ablation for Atrial Fibrillation: Before Your Procedure (video)
  194. Catheter Ablation for SVT: Before Your Procedure (video)
  195. Catheter Ablation: Returning Home (video)
  196. Catheters for Urinary Incontinence in Men
  197. Cathy's Story: Dealing With Stress
  198. Causes of Bleeding in the Digestive Tract
  199. Causes of Hair Loss: Medicines and Medical Treatments
  200. Causes of Hyperventilation
  1. Challenge Tests for Asthma - Medical Test
  2. Chamomile
  3. Change a Habit by Setting Goals
  4. Change in Heartbeat
  5. Change Your Outlook to Lower Your Stress
  6. Changes in Your Nails
  7. Changing Negative Thoughts (video)
  8. Charting Your Basal Body Temperature
  9. Checking Peak Flow (video)
  10. Checklist for Evaluating Hospice Programs
  11. Checklist for Preventing Falls at Home
  12. Checklist for Shoes and Socks That Fit Well
  13. Checklist for the Home for Vertigo
  14. Chelation Therapy
  15. Chemical Burn
  16. Chemical in the Eye
  17. Chemical Peel
  18. Chemical Pinkeye (Conjunctivitis)
  19. Chemistry Screen - Medical Test
  20. Chemo Brain
  21. Cheryl's Story: Dealing With Depression
  22. Chest Problems
  23. Chest X-Ray - Medical Test
  24. Chickenpox: Controlling the Itch
  25. Chickenpox: Preventing Skin Infections
  26. Chickenpox (Varicella)
  27. Chikungunya Fever
  28. Chilblains (Perniosis)
  29. Child Abuse and Neglect
  30. Child Abuse: Emotional Abuse by Parents
  31. Child Car Seats
  32. Child CPR (video)
  33. Child Safety: Air Pollution
  34. Child Safety: Bathing
  35. Child Safety: Bicycles and Tricycles
  36. Child Safety: Drowning Prevention in Pools and Hot Tubs
  37. Child Safety: Fires
  38. Child Safety: Guns and Firearms
  39. Child Safety: Pets
  40. Child Safety: Preventing Burns
  41. Child Safety: Preventing Child Abduction
  42. Child Safety: Preventing Drowning
  43. Child Safety: Preventing Falls
  44. Child Safety: Streets and Motor Vehicles
  45. Child Safety: Strollers and Shopping Carts
  46. Child Safety: Washing Toys to Prevent Germs
  47. Child Who Is Overweight: Evaluating Nutrition and Activity Patterns
  48. Child Who Is Overweight: Medical Evaluation
  49. Childbirth Afterpains
  50. Childbirth Classes
  51. Childbirth: Epidurals
  52. Childbirth: Is Planning a C-Section a Good Choice?
  53. Childbirth: Laboring in Water and Water Delivery
  54. Childbirth: Opioid Pain Medicines
  55. Childbirth: Perineal Massage Before Labor
  56. Childbirth Planning: How to Partner With Your Doctor
  57. Childbirth: Pudendal Block
  58. Childbirth: Strep Infections During Delivery
  59. Childhood Acute Lymphoblastic Leukemia Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  60. Childhood Acute Lymphoblastic Leukemia Treatment (PDQ®): Treatment - Patient Information [NCI]
  61. Childhood Acute Myeloid Leukemia/Other Myeloid Malignancies Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  62. Childhood Acute Myeloid Leukemia/Other Myeloid Malignancies Treatment (PDQ®): Treatment - Patient Information [NCI]
  63. Childhood Adrenocortical Carcinoma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  64. Childhood Adrenocortical Carcinoma Treatment (PDQ®): Treatment - Patient Information [NCI]
  65. Childhood Astrocytomas Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  66. Childhood Astrocytomas Treatment (PDQ®): Treatment - Patient Information [NCI]
  67. Childhood Basal Cell Carcinoma and Squamous Cell Carcinoma of the Skin Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  68. Childhood Basal Cell Carcinoma and Squamous Cell Carcinoma of the Skin Treatment (PDQ®): Treatment - Patient Information [NCI]
  69. Childhood Bladder Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  70. Childhood Bladder Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
  71. Childhood Brain and Spinal Cord Tumors Treatment Overview (PDQ®): Treatment - Health Professional Information [NCI]
  72. Childhood Brain and Spinal Cord Tumors Treatment Overview (PDQ®): Treatment - Patient Information [NCI]
  73. Childhood Brain Stem Glioma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  74. Childhood Brain Stem Glioma Treatment (PDQ®): Treatment - Patient Information [NCI]
  75. Childhood Breast Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  76. Childhood Breast Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
  77. Childhood Cancer Genomics (PDQ®): Treatment - Health Professional Information [NCI]
  78. Childhood Carcinoma of Unknown Primary Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  79. Childhood Carcinoma of Unknown Primary Treatment (PDQ®): Treatment - Patient Information [NCI]
  80. Childhood Cardiac (Heart) Tumors Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  81. Childhood Cardiac (Heart) Tumors Treatment (PDQ®): Treatment - Patient Information [NCI]
  82. Childhood Central Nervous System Atypical Teratoid/Rhabdoid Tumor Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  83. Childhood Central Nervous System Atypical Teratoid/Rhabdoid Tumor Treatment (PDQ®): Treatment - Patient Information [NCI]
  84. Childhood Central Nervous System Germ Cell Tumors Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  85. Childhood Central Nervous System Germ Cell Tumors Treatment (PDQ®): Treatment - Patient Information [NCI]
  86. Childhood Cervical and Vaginal Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  87. Childhood Cervical and Vaginal Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
  88. Childhood Chordoma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  89. Childhood Chordoma Treatment (PDQ®): Treatment - Patient Information [NCI]
  90. Childhood Colorectal Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  91. Childhood Colorectal Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
  92. Childhood Craniopharyngioma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  93. Childhood Craniopharyngioma Treatment (PDQ®): Treatment - Patient Information [NCI]
  94. Childhood Ependymoma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  95. Childhood Ependymoma Treatment (PDQ®): Treatment - Patient Information [NCI]
  96. Childhood Esophageal Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  97. Childhood Esophageal Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
  98. Childhood Esthesioneuroblastoma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  99. Childhood Esthesioneuroblastoma Treatment (PDQ®): Treatment - Patient Information [NCI]
  100. Childhood Extracranial Germ Cell Tumors Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  101. Childhood Extracranial Germ Cell Tumors Treatment (PDQ®): Treatment - Patient Information [NCI]
  102. Childhood Fears and Exposure to Violence
  103. Childhood Gastrointestinal Carcinoid Tumors Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  104. Childhood Gastrointestinal Carcinoid Tumors Treatment (PDQ®): Treatment - Patient Information [NCI]
  105. Childhood Gastrointestinal Stromal Tumors Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  106. Childhood Gastrointestinal Stromal Tumors Treatment (PDQ®): Treatment - Patient Information [NCI]
  107. Childhood Hodgkin Lymphoma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  108. Childhood Hodgkin Lymphoma Treatment (PDQ®): Treatment - Patient Information [NCI]
  109. Childhood Immunization Record
  110. Childhood Immunization Schedule: Ages 0 to 6 Years
  111. Childhood Immunization Schedule: Ages 7 to 18 Years
  112. Childhood Intraocular (Uveal) Melanoma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  113. Childhood Intraocular (Uveal) Melanoma Treatment (PDQ®): Treatment - Patient Information [NCI]
  114. Childhood Laryngeal Tumors Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  115. Childhood Laryngeal Tumors Treatment (PDQ®): Treatment - Patient Information [NCI]
  116. Childhood Leukemia: Understanding Treatment (video)
  117. Childhood Leukemia: What Is ALL? (video)
  118. Childhood Leukemia: What Is AML? (video)
  119. Childhood Leukemia: Working With Your Care Team (video)
  120. Childhood Liver Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  121. Childhood Liver Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
  122. Childhood Medulloblastoma and Other Central Nervous System Embryonal Tumors Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  123. Childhood Medulloblastoma and Other Central Nervous System Embryonal Tumors Treatment (PDQ®): Treatment - Patient Information [NCI]
  124. Childhood Melanoma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  125. Childhood Melanoma Treatment (PDQ®): Treatment - Patient Information [NCI]
  126. Childhood Mesothelioma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  127. Childhood Mesothelioma Treatment (PDQ®): Treatment - Patient Information [NCI]
  128. Childhood Midline Tract Carcinoma Involving the NUT Gene (NUT Midline Carcinoma) Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  129. Childhood Midline Tract Carcinoma with NUT Gene Changes Treatment (PDQ®): Treatment - Patient Information [NCI]
  130. Childhood Multiple Endocrine Neoplasia (MEN) Syndromes Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  131. Childhood Multiple Endocrine Neoplasia (MEN) Syndromes Treatment (PDQ®): Treatment - Patient Information [NCI]
  132. Childhood Nasopharyngeal Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  133. Childhood Nasopharyngeal Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
  134. Childhood Non-Hodgkin Lymphoma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  135. Childhood Non-Hodgkin Lymphoma Treatment (PDQ®): Treatment - Patient Information [NCI]
  136. Childhood Oral Cavity Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  137. Childhood Oral Cavity Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
  138. Childhood Ovarian Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  139. Childhood Ovarian Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
  140. Childhood Pancreatic Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  141. Childhood Pancreatic Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
  142. Childhood Pheochromocytoma and Paraganglioma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  143. Childhood Pheochromocytoma and Paraganglioma Treatment (PDQ®): Treatment - Patient Information [NCI]
  144. Childhood Pleuropulmonary Blastoma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  145. Childhood Pleuropulmonary Blastoma Treatment (PDQ®): Treatment - Patient Information [NCI]
  146. Childhood Rhabdomyosarcoma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  147. Childhood Rhabdomyosarcoma Treatment (PDQ®): Treatment - Patient Information [NCI]
  148. Childhood Salivary Gland Tumors Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  149. Childhood Salivary Gland Tumors Treatment (PDQ®): Treatment - Patient Information [NCI]
  150. Childhood Soft Tissue Sarcoma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  151. Childhood Soft Tissue Sarcoma Treatment (PDQ®): Treatment - Patient Information [NCI]
  152. Childhood Stomach (Gastric) Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  153. Childhood Stomach (Gastric) Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
  154. Childhood Testicular Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  155. Childhood Testicular Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
  156. Childhood Thymoma and Thymic Carcinoma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  157. Childhood Thymoma and Thymic Carcinoma Treatment (PDQ®): Treatment - Patient Information [NCI]
  158. Childhood Thyroid Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  159. Childhood Thyroid Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
  160. Childhood Tracheobronchial Tumors Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  161. Childhood Tracheobronchial Tumors Treatment (PDQ®): Treatment - Patient Information [NCI]
  162. Childhood Vascular Tumors Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  163. Childhood Vascular Tumors Treatment (PDQ®): Treatment - Patient Information [NCI]
  164. Children and Cough and Cold Medicines (video)
  165. Children and Teens: What Is Type 2 Diabetes? (video)
  166. Children's Growth Chart
  167. Children's Health
  168. Chili Pepper Burns
  169. Chipped or Broken Tooth or Dental Appliance
  170. Chiropractic
  171. Chlamydia
  172. Chlamydia Tests - Medical Test
  173. Chloride (Cl) Test - Medical Test
  174. Choking Prevention in Small Children
  175. Choking Rescue for Babies
  176. Choking Rescue Procedure: Heimlich Maneuver
  177. Cholecystectomy: Before Your Surgery (video)
  178. Cholecystectomy: Returning Home (video)
  179. Cholecystitis
  180. Cholera Vaccine: What You Need to Know
  181. Cholestasis of Pregnancy
  182. Cholesterol and Triglycerides: Eating Fish and Fish Oil
  183. Cholesterol and Triglycerides Tests - Medical Test
  184. Cholesterol: Choosing a Heart-Healthy Life (video)
  185. Cholesterol: How It Raises Your Risk (video)
  186. Cholesterol in Children and Teens
  187. Cholesterol Numbers: What They Mean for Your Health (video)
  188. Cholesterol Test: Understanding the Test (video)
  189. Cholesterol Treatment Guidelines
  190. Choosing a Counselor or Therapist for Your Child
  191. Choosing a Counselor or Therapist for Your Child (video)
  192. Choosing a Health Care Agent (video)
  193. Choosing a Health Care Agent
  194. Choosing a Health Care Provider
  195. Choosing a Hospital
  196. Choosing a Nursing Home
  197. Choosing a Nursing Home
  198. Choosing a Prosthesis After Breast Cancer Surgery
  199. Choosing a Vitamin and Mineral Supplement
  200. Choosing a Weight-Loss Program
  201. Choosing an Insulin Pump
  202. Choosing Baby Bottles and Nipples
  203. Choosing Child Care
  204. Chorionic Villus Sampling (CVS) - Medical Test
  205. Chromium
  206. Chronic Constipation
  207. Chronic Illness: Help for Caregivers
  208. Chronic Kidney Disease
  209. Chronic Kidney Disease: Medicines to Be Careful With
  210. Chronic Low Back Pain: Is It Time to Try Something New? (video)
  211. Chronic Lung Disease in Infants
  212. Chronic Lymphocytic Leukemia Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  213. Chronic Lymphocytic Leukemia Treatment (PDQ®): Treatment - Patient Information [NCI]
  214. Chronic Myelogenous Leukemia Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  215. Chronic Myelogenous Leukemia Treatment (PDQ®): Treatment - Patient Information [NCI]
  216. Chronic Myeloproliferative Neoplasms Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  217. Chronic Myeloproliferative Neoplasms Treatment (PDQ®): Treatment - Patient Information [NCI]
  218. Chronic Myofascial Pain
  219. Chronic Pain
  220. Chronic Pain: Finding Your Strength (video)
  221. Chronic Pain: How Medicines Can Help You Manage It (video)
  222. Chronic Pain: Managing Pain With Healthy Thinking (video)
  223. Chronic Pain Syndrome
  224. Chronic Pain: Tracking How You're Doing (video)
  225. Chronic Pain: Treatments Other Than Medicine (video)
  226. Chronic Pain: Using Healthy Thinking
  227. Chronic Pain: What Does It Mean For You? (video)
  228. Chronic Pancreatitis: Pain Management
  229. Chronic Pelvic Pain
  1. Cocaine
  2. Cochlear Implants
  3. Coenzyme Q10
  4. Coenzyme Q10 (PDQ®): Integrative, alternative, and complementary therapies - Health Professional Information [NCI]
  5. Coenzyme Q10 (PDQ®): Integrative, alternative, and complementary therapies - Patient Information [NCI]
  6. Cognitive Development, Ages 1 to 12 Months
  7. Cognitive Development, Ages 12 to 24 Months
  8. Cognitive Development, Ages 15 to 18 Years
  9. Cognitive Development From Age 6 to 10 Years
  10. Cognitive Growth in Newborns
  11. Cognitive Impairment in Adults With Non−Central Nervous System Cancers (PDQ®): Supportive care - Health Professional Information [NCI]
  12. Cognitive Impairment in Adults with Non−Central Nervous System Cancers (PDQ®): Supportive care - Patient Information [NCI]
  13. Cognitive-Behavioral Therapy for Eating Disorders
  14. Cognitive-Behavioral Therapy for Pain Management
  15. Cold Agglutinins Test - Medical Test
  16. Cold Exposure: Emergency Equipment
  17. Cold Exposure: Ways the Body Loses Heat
  18. Cold Exposure: What Increases Your Risk of Injury?
  19. Cold Hands: Home Treatment
  20. Cold Packs for Eye Injuries
  21. Cold Sores
  22. Cold Temperature Exposure
  23. Colds
  24. Colds and Flu
  25. Colic
  26. Colic Diary
  27. Colic: Harmful Treatments
  28. Collapsed Lung (Pneumothorax)
  29. Colon Cancer Genetic Testing
  30. Colon Cancer: Screening Tests and What the Results Mean (video)
  31. Colon Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  32. Colon Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
  33. Colon Polyps
  34. Colonoscopy - Medical Test
  35. Colonoscopy: Overview (video)
  36. Color Blindness
  37. Color Changes in Nails
  38. Colorectal Cancer
  39. Colorectal Cancer, Metastatic or Recurrent
  40. Colorectal Cancer Prevention (PDQ®): Prevention - Health Professional Information [NCI]
  41. Colorectal Cancer Prevention (PDQ®): Prevention - Patient Information [NCI]
  42. Colorectal Cancer Screening
  43. Colorectal Cancer Screening (PDQ®): Screening - Health Professional Information [NCI]
  44. Colorectal Cancer Screening (PDQ®): Screening - Patient Information [NCI]
  45. Colorectal Cancer: Which Screening Test Should I Have?
  46. Colostomy
  47. Colostomy (video)
  48. Colposcopy - Medical Test
  49. Combining Breastfeeding and Bottle-Feeding
  50. Comforting a Child Who Has a Respiratory Illness
  51. Committing Again to Healthy Eating
  52. Committing to Quitting: Your Quit-Tobacco Plan
  53. Common Coping Responses for Stress
  54. Common Questions About Giving Yourself Shots
  55. Common Questions About Sexual Orientation
  56. Common Stinging or Biting Insects or Spiders
  57. Common Types of Birthmarks
  58. Common Types of Hernias
  59. Communication in Cancer Care (PDQ®): Supportive care - Health Professional Information [NCI]
  60. Communication in Cancer Care (PDQ®): Supportive care - Patient Information [NCI]
  61. Comparing Artificial Sweeteners
  62. Comparing Nicotine Replacement Methods
  63. Comparing Rheumatoid Arthritis and Osteoarthritis
  64. Comparing Stop-Smoking Medicines
  65. Comparing Symptoms of Normal Moodiness With Depression in Children
  66. Complement Test - Medical Test
  67. Complementary Medicine
  68. Complementary Medicine
  69. Complementary Medicine for Arthritis
  70. Complete Blood Count (CBC) - Medical Test
  71. Complete Blood Count (CBC) Test: Understanding the Test (video)
  72. Complex Regional Pain Syndrome
  73. Complicated Urinary Tract Infections
  74. Complications, Graft-Versus-Host Disease, and Late Effects After Pediatric Hematopoietic Stem Cell Transplantation (PDQ®): Treatment - Health Professional Information [NCI]
  75. Complications of Ear Infections
  76. Complications of Enlarged Prostate
  77. Complications of Grief
  78. Complications of Lupus
  79. Complications of Osteoarthritis
  80. Complications of Paget's Disease
  81. Complications of Peptic Ulcer
  82. Comprehensive Metabolic Panel
  83. Comprehensive Rehabilitation Programs for Low Back Pain
  84. Compression Stockings for Varicose Veins
  85. Compression Stockings: How to Use Them
  86. Computed Tomography (CT) Angiogram - Medical Test
  87. Computed Tomography (CT) Scan of the Body - Medical Test
  88. Computed Tomography (CT) Scan of the Head and Face - Medical Test
  89. Computed Tomography (CT) Scan of the Spine - Medical Test
  90. Concussion
  91. Conditions Related to Dyslexia
  92. Conditions With Symptoms Similar to Depression in Children and Teens
  93. Cone Biopsy (Conization) for Abnormal Cervical Cell Changes
  94. Confusion, Memory Loss, and Altered Alertness
  95. Congenital Heart Defect Types
  96. Congenital Heart Defects: Caring for Your Child
  97. Congenital Heart Defects in Adults
  98. Congenital Heart Defects in Children
  99. Congenital Hydrocele
  100. Congenital Hydrocephalus
  101. Congenital Syphilis
  102. Congenital Torticollis
  103. Conserving Energy When You Have COPD or Other Chronic Conditions
  104. Constipation, Age 11 and Younger
  105. Constipation, Age 12 and Older
  106. Constipation: Here's Help (video)
  107. Constipation in Children
  108. Constipation: Keeping Your Bowels Healthy
  109. Contact Lens Care
  110. Contact Lens Problems: Hypoxia
  111. Contact Lens Problems: Infection
  112. Contact Lenses
  113. Contact Lenses: Dry Eyes
  114. Continuous Glucose Monitoring
  115. Continuous Positive Airway Pressure (CPAP) Therapy for Obstructive Sleep Apnea
  116. Contraceptive Sponge for Birth Control
  117. Contraction Stress Test - Medical Test
  118. Contractions During Pregnancy: What to Expect
  119. Controlling Dust, Dust Mites, and Other Allergens in Your Home
  120. Controlling Indoor Mold
  121. Controlling Pet Allergens
  122. Coombs Test - Medical Test
  123. COPD
  124. COPD Action Plan
  125. COPD and Alpha-1 Antitrypsin (AAT) Deficiency
  126. COPD and Sex
  127. COPD: Avoiding Weight Loss
  128. COPD: Avoiding Your Triggers
  129. COPD (Chronic Obstructive Pulmonary Disease)
  130. COPD: Clearing Your Lungs
  131. COPD: Eating Well for Strength and Energy (video)
  132. COPD: Exercises for Building Strength (video)
  133. COPD Flare-Ups
  134. COPD: Handling a Flare-Up
  135. COPD: How to Use a Nebulizer (video)
  136. COPD: Keeping Your Diet Healthy
  137. COPD: Keeping Your Quality of Life (video)
  138. COPD: Lung Volume Reduction Surgery
  139. COPD: Take This Chance to Quit Smoking (video)
  140. COPD: Taking Medicines After a Flare-Up (video)
  141. COPD: Time to Decide About Smoking (video)
  142. COPD: Try a New Quit-Smoking Strategy (video)
  143. COPD: Using Exercise to Feel Better
  144. COPD: What Happens to Your Lungs (video)
  145. COPD: You Can Still Be Active (video)
  146. COPD's Effect on the Lungs
  147. Coping After a Traumatic Event
  148. Coping Strategies to Avoid Harming a Baby
  149. Coping When Your Child Is Near the End of Life
  150. Coping With Changing Sleep Patterns as You Get Older
  151. Coping With Cravings When You're Quitting Tobacco
  152. Coping With Osteoarthritis
  153. Coping With Stress
  154. Copperhead
  155. Coral Snake
  156. Core Needle Breast Biopsy: Before Your Procedure (video)
  157. Corneal Ring Implants for Nearsightedness
  158. Coronary Angiogram: Before Your Procedure (video)
  159. Coronary Angiogram: How Others Decided (video)
  160. Coronary Angiogram: Returning Home (video)
  161. Coronary Angioplasty
  162. Coronary Angioplasty: Before Your Procedure (video)
  163. Coronary Angioplasty: Returning Home (video)
  164. Coronary Arteries and Heart Function
  165. Coronary Artery Bypass Graft Surgery: How It Is Done
  166. Coronary Artery Bypass Graft Surgery: How to Prepare
  167. Coronary Artery Bypass Graft Surgery: Recovering in the Hospital
  168. Coronary Artery Bypass Graft Surgery: Self-Care for Recovery
  169. Coronary Artery Bypass Graft Surgery: The Recovery Process
  170. Coronary Artery Bypass Graft Surgery: What to Expect After You Go Home
  171. Coronary Artery Bypass Surgery
  172. Coronary Artery Bypass Surgery: Day One of Recovery
  173. Coronary Artery Bypass Surgery: Minimally Invasive Methods
  174. Coronary Artery Bypass Surgery: When You Arrive at the Hospital
  175. Coronary Artery Bypass Surgery: Your Medical Team
  176. Coronary Artery Disease
  177. Coronary Artery Disease: 5 Ways to Help Lower Your Risk (video)
  178. Coronary Artery Disease: 7 Ways to Help Lower Your Risk for a Heart Attack (video)
  179. Coronary Artery Disease and Alcohol
  180. Coronary Artery Disease and Depression (video)
  181. Coronary Artery Disease: Being Active (video)
  182. Coronary Artery Disease: Commit to Making an Exercise Plan (video)
  183. Coronary Artery Disease: Every Step Matters (video)
  184. Coronary Artery Disease: Exercising for a Healthy Heart
  185. Coronary Artery Disease: Family History
  186. Coronary Artery Disease: Getting Back on Track (video)
  187. Coronary Artery Disease: Helping a Loved One
  188. Coronary Artery Disease: Making Peace With Medicines (video)
  189. Coronary Artery Disease: Moving Forward (video)
  190. Coronary Artery Disease: Prevention Myths
  191. Coronary Artery Disease: Roles of Different Doctors
  192. Coronary Artery Disease: Should I Have an Angiogram?
  193. Coronary Artery Disease: Should I Have Angioplasty for Stable Angina?
  194. Coronary Artery Disease: Should I Have Bypass Surgery?
  195. Coronary Artery Disease: Women Are at Risk Too (video)
  196. Coronary Calcium Scan - Medical Test
  197. Coronary Calcium Scan: Should I Have This Test?
  198. Coronavirus (COVID-19)
  199. Coronavirus (COVID-19) Symptom Checker
  200. Corporal Punishment
  201. Cortisol in Blood Test - Medical Test
  202. Cortisol in Urine Test - Medical Test
  203. Cosmetic Surgery and Procedures
  204. Cottonmouth (Water Moccasin)
  205. Cough Symptoms in Children
  206. Coughs, Age 11 and Younger
  207. Coughs, Age 12 and Older
  208. Counseling for Depression (video)
  209. Counseling for PTSD
  210. Counseling for Your Teen
  211. Counting Carbohydrate Grams or Servings
  212. COVID-19: 7 Ways to Stay Safe When You're at High Risk (video)
  213. COVID-19: Advice if You're Planning a Pregnancy, Pregnant, Recently Pregnant, or Breastfeeding
  214. COVID-19: Caring for Someone Who Is Sick
  215. COVID-19: How to Wear a Mask (video)
  216. COVID-19: Keeping Your Distance (video)
  217. COVID-19 or Flu? How to Tell
  218. COVID-19: Prevention for People With Weakened Immune Systems
  219. COVID-19: Pushing Back Against Stigma
  220. COVID-19: Taking Care of Yourself If You Have It (video)
  221. COVID-19: What Is It? (video)
  222. COVID-19: Why Get the Vaccine? (video)
  223. COVID-19: Why I Got the Vaccine (video)
  224. Cow's Milk Sensitivity in Babies