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