Browse Topics

Top of the page

Health Topics

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