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  1. Head Injuries in Children: Problems to Watch For
  2. Head Injury, Age 3 and Younger
  3. Head Injury, Age 4 and Older
  4. Head Lice
  5. Headache Clinics
  6. Headache Diary
  7. Headache Prevention: Posture and Body Mechanics
  8. Headaches
  9. Headaches
  10. Headaches: Finding and Avoiding Triggers
  11. Headaches in Children
  12. Headaches: Managing a Headache
  13. Headaches: Should I Take Medicine to Prevent Migraines?
  14. Healing Through Humor
  15. Healing Touch
  16. Health and Safety, Ages 2 to 5 Years
  17. Health and Safety, Birth to 2 Years
  18. Health Claims on Food Labels
  19. Health Problems Associated With Adult Obesity
  20. Health Risks
  21. Health Risks Related to Smokeless Tobacco
  22. Health Screening: Finding Health Problems Early
  23. Health Screenings: Should I Buy Commercial Tests?
  24. Health Tracking Forms and Checklists
  25. Healthwise Self-Care Checklist
  26. Healthwise Symptom Checker
  27. Healthy Aging
  28. Healthy Aging: Is It Time to Stop Driving?
  29. Healthy Attitudes Toward Food and Exercise
  30. Healthy Eating
  31. Healthy Eating
  32. Healthy Eating and Older Adults
  33. Healthy Eating Basics: Building Healthy Meals
  34. Healthy Eating Basics: Cooking
  35. Healthy Eating: Changing Your Eating Habits
  36. Healthy Eating: Cutting Unhealthy Fats From Your Diet
  37. Healthy Eating: Eating Heart-Healthy Foods
  38. Healthy Eating: Eating Less Sodium
  39. Healthy Eating for Children
  40. Healthy Eating: Getting Support When Changing Your Eating Habits
  41. Healthy Eating: Helping Your Child Learn Healthy Eating Habits
  42. Healthy Eating in Children: Problems Caused by Poor Nutrition
  43. Healthy Eating in Children: Things That Influence Food Choices
  44. Healthy Eating: Making Healthy Choices When You Eat Out
  45. Healthy Eating: Making Healthy Choices When You Shop
  46. Healthy Eating: Overcoming Barriers to Change
  47. Healthy Eating: Recognizing Your Hunger Signals
  48. Healthy Eating: Starting a Plan for Change
  49. Healthy Eating: Staying With Your Plan
  50. Healthy Eating: Taking Calcium and Vitamin D
  51. Healthy Eating to Decrease Stress
  52. Healthy Habits for Kids
  53. Healthy Habits to Prevent Osteoporosis
  54. Healthy Muscles
  55. Healthy Weight: Thought-Tracking Journal
  56. Hearing Aids
  57. Hearing Loss
  58. Hearing Loss in Babies, Ages 4 to 6 Months
  59. Hearing Loss in Babies, Ages 7 Months to 1 Year
  60. Hearing Loss in Babies, Newborn to Age 3 Months
  61. Hearing Loss in Children, Age 4 Years and Older
  62. Hearing Loss in Children, Ages 1 to 2 Years
  63. Hearing Loss in Children, Ages 2 to 4 Years
  64. Hearing Loss: Should I Get Hearing Aids?
  65. Hearing Protectors
  66. Hearing Tests - Medical Test
  67. Heart and Circulation
  68. Heart Arrhythmias and Exercise
  69. Heart Attack and Stroke in Women: Reducing Your Risk
  70. Heart Attack and Stroke Risk Screening
  71. Heart Attack and Unstable Angina
  72. Heart Attack: How to Prevent Another One
  73. Heart Block
  74. Heart Failure
  75. Heart Failure: Activity and Exercise
  76. Heart Failure and Sexual Activity
  77. Heart Failure: Avoiding Colds and Flu
  78. Heart Failure: Avoiding Medicines That Make Symptoms Worse
  79. Heart Failure: Avoiding Triggers for Sudden Heart Failure
  80. Heart Failure: Checking Your Weight
  81. Heart Failure: Compensation by the Heart and Body
  82. Heart Failure Complications
  83. Heart Failure Daily Action Plan
  84. Heart Failure: Disease Management Programs
  85. Heart Failure: Eating a Healthy Diet
  86. Heart Failure: Less Common Symptoms
  87. Heart Failure: Should I Get a Pacemaker (Cardiac Resynchronization Therapy)?
  88. Heart Failure: Should I Get an Implantable Cardioverter-Defibrillator (ICD)?
  89. Heart Failure Stages
  90. Heart Failure: Symptom Record
  91. Heart Failure Symptoms
  92. Heart Failure: Taking Medicines Properly
  93. Heart Failure: Tips for Caregivers
  94. Heart Failure: Tips for Easier Breathing
  95. Heart Failure: Track Your Weight, Food, and Sodium
  96. Heart Failure Types
  97. Heart Failure: Watching Your Fluids
  98. Heart Failure With Preserved Ejection Fraction (Diastolic Heart Failure)
  99. Heart Failure With Reduced Ejection Fraction (Systolic Heart Failure)
  100. Heart Health: Walking for a Healthy Heart
  101. Heart Murmur
  102. Heart Rate Problems: Should I Get a Pacemaker?
  103. Heart Rhythm Problems and Driving
  104. Heart Rhythm Problems: Diary of Symptoms
  105. Heart Rhythm Problems: Should I Get an Implantable Cardioverter-Defibrillator (ICD)?
  106. Heart Rhythm Problems: Symptoms
  107. Heart Tests: When Do You Need Them?
  108. Heart Transplant
  109. Heart Valve Disease
  110. Heartburn
  111. Heartburn: Changing Your Eating Habits
  112. Heartburn During Pregnancy
  113. Heartburn Symptom Record
  114. Heart-Healthy Eating
  115. Heart-Healthy Eating: Fish and Fish Oil
  116. Heart-Healthy Lifestyle
  117. Heat After an Injury
  118. Heat and Cold Treatment for Cancer Pain
  119. Heat Rash
  120. Heat Waves
  121. Heat-Related Illnesses
  122. Heatstroke: Emergency Symptoms
  123. Heatstroke Prevention: Acclimating to the Heat
  124. Heatstroke Prevention: What to Wear
  125. Heavy Menstrual Periods
  126. Heavy Sweating
  127. Heel Bursitis or Tendon Injury: Preventing Pain
  128. Heimlich Maneuver for Adults and Children Older Than 1 Year
  129. Helicobacter Pylori Bacteria
  130. Helicobacter Pylori Tests - Medical Test
  131. HELLP Syndrome
  132. Help for Anger Problems
  133. Help Your School-Age Child Develop Social Skills
  134. Help Your Working Teen Balance Responsibilities and Set Priorities
  135. Helping a Family Member Who Has PTSD
  136. Helping a Loved One After Coronary Artery Bypass Graft Surgery
  137. Helping a Person During a Seizure
  138. Helping Adolescents Develop More Mature Ways of Thinking
  139. Helping Children During Immunizations
  140. Helping Children With Disabilities Stay Active
  141. Helping Kids Handle Peer Pressure
  142. Helping Someone During a Panic Attack
  143. Helping Your Child Avoid Tobacco, Drugs, and Alcohol
  144. Helping Your Child Build a Healthy Body Image
  145. Helping Your Child Build Inner Strength
  146. Helping Your Child Manage Their Emotional Reactions
  147. Helping Your Child Recover After a Traumatic Event
  148. Helping Your Child Transition Into Middle School or Junior High
  149. Helping Your Child Who Is Overweight
  150. Helping Your Newborn Learn
  151. Helping Your School-Age Child Learn About the Body
  152. Helping Your Teen Become a Safe Driver
  153. Helping Your Teen Recover After a Traumatic Event
  154. Hemochromatosis
  155. Hemochromatosis Gene (HFE) Test - Medical Test
  156. Hemochromatosis Genetic Screening
  157. Hemodialysis
  158. Hemoglobin Electrophoresis Test - Medical Test
  159. Hemophilia
  160. Hemophilia: Preventing Bleeding Episodes
  161. Hemorrhagic Stroke
  162. Hemorrhoidectomy
  163. Hemorrhoids
  164. Hemorrhoids: Which Treatment Should I Use?
  165. Henna Tattoos (Mehndi)
  166. Hepatitis A
  167. Hepatitis A Vaccine: What You Need to Know
  168. Hepatitis A Virus Test - Medical Test
  169. Hepatitis B
  170. Hepatitis B and C: Risk of Liver Cancer
  171. Hepatitis B: How to Avoid Spreading the Virus
  172. Hepatitis B: Postvaccination Test for Immunity
  173. Hepatitis B: Should I Be Tested?
  174. Hepatitis B: Should I Take Antiviral Medicine for Chronic Hepatitis B?
  175. Hepatitis B Treatment Recommendations
  176. Hepatitis B Vaccine: What You Need to Know
  177. Hepatitis B Virus Tests - Medical Test
  178. Hepatitis C
  179. Hepatitis C in Pregnancy
  180. Hepatitis C Viral Load Test - Medical Test
  181. Hepatitis C Virus Tests - Medical Test
  182. Hepatitis C: Your Risk for Cirrhosis
  183. Hepatitis D
  184. Hepatitis E
  185. Hepatitis Panel
  186. Hereditary Kidney Cancer Syndromes (PDQ®): Genetics - Patient Information [NCI]
  187. Hereditary Leiomyomatosis and Renal Cell Cancer (PDQ®): Genetics - Health Professional Information [NCI]
  188. Hereditary Papillary Renal Carcinoma (PDQ®): Genetics - Health Professional Information [NCI]
  189. Heroin
  190. Herpes Tests - Medical Test

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  1. Hiatal Hernia
  2. Hiccups
  3. HIDA Scan - Medical Test
  4. Hidden Gluten
  5. Hidradenitis Suppurativa
  6. High and Low Blood Sugar Level Record for a Child
  7. High Blood Pressure
  8. High Blood Pressure
  9. High Blood Pressure: Checking Your Blood Pressure at Home
  10. High Blood Pressure During Pregnancy
  11. High Blood Pressure in Children and Teens
  12. High Blood Pressure: Nutrition Tips
  13. High Blood Pressure: Over-the-Counter Medicines to Avoid
  14. High Blood Pressure: Should I Take Medicine?
  15. High Blood Pressure: Taking Medicines Properly
  16. High Blood Pressure: Using the DASH Diet
  17. High Blood Sugar Level Record
  18. High Cholesterol
  19. High Cholesterol: How a Dietitian Can Help
  20. High Cholesterol: Making Lifestyle Changes
  21. High Triglycerides
  22. High-Output Heart Failure
  23. High-Potassium Foods
  24. High-Pressure Injection Wounds
  25. High-Protein Foods for Wound Healing
  26. High-Risk Pregnancy
  27. High-Sensitivity C-Reactive Protein (hs-CRP) Test - Medical Test
  28. Hip Bursitis or Tendon Injury: Preventing Pain
  29. Hip Fracture
  30. Hip Fracture Repair (Hip Pinning)
  31. Hip Fractures: What Increases Your Risk
  32. Hip Injuries, Age 11 and Younger
  33. Hip Injuries, Age 12 and Older
  34. Hip Problems, Age 11 and Younger
  35. Hip Problems, Age 12 and Older
  36. Hip Resurfacing Arthroplasty
  37. Hirschsprung Disease
  38. HIV and Exercise
  39. HIV and Fatigue
  40. HIV and Pregnancy
  41. HIV and Weight Loss
  42. HIV: Antiretroviral Therapy (ART)
  43. HIV: Giving Support
  44. HIV Home Care
  45. HIV (Human Immunodeficiency Virus) Infection
  46. HIV Infection in Health Professionals
  47. HIV: Nonprogressors and HIV-Resistant People
  48. HIV: Preventing Infections
  49. HIV: Preventing Other Infections When You Have HIV
  50. HIV Screening
  51. HIV: Stages of Infection
  52. HIV: Taking Antiretroviral Medicines
  53. HIV Testing: Should I Get Tested for Human Immunodeficiency Virus?
  54. HIV: Tips for Caregivers to Avoid Infection
  55. HIV Treatment in Children
  56. HIV Viral Load
  57. HIV Viral Load Test - Medical Test
  58. HIV: Why Healthy Eating Matters

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  1. Hoarding Disorder
  2. Hodgkin Lymphoma
  3. Hodgkin Lymphoma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  4. Home Blood Pressure Log
  5. Home Blood Pressure Test - Medical Test
  6. Home Blood Sugar Diary
  7. Home Blood Sugar Test - Medical Test
  8. Home Ear Examination
  9. Home Lung Function Test - Medical Test
  10. Home Pregnancy Tests - Medical Test
  11. Home Remedies for Bites and Stings
  12. Home Test for Urinary Tract Infections - Medical Test
  13. Home Treatment First Aid for Cold Exposure
  14. Home Treatment for Second-Degree Burns
  15. Homeopathy
  16. Homocysteine - Medical Test
  17. Homocystinuria
  18. Hormonal Birth Control: Risk of Blood Clots
  19. Hormone Inhibin A Test - Medical Test
  20. Hormone Therapy for Prostate Cancer (Androgen Deprivation Therapy, or ADT)
  21. Hormone Treatment for Breast Cancer
  22. Hormones
  23. Hospice Care
  24. Hospital Discharge Planning
  25. Hospital Isolation Rooms
  26. Hospital Patient Advocates
  27. Hospital Policies and Breastfeeding
  28. Hospital-Acquired Pneumonia (Nosocomial Pneumonia)
  29. Hot Flashes and Menopause
  30. Hot Flashes and Night Sweats (PDQ®): Supportive care - Health Professional Information [NCI]
  31. Hot Flashes and Night Sweats (PDQ®): Supportive care - Patient Information [NCI]
  32. How a Scrape Heals
  33. How ADHD Affects Your Child
  34. How Adolescent Thinking Develops
  35. How Asthma Develops in Children
  36. How Birth Control Methods Prevent Pregnancy
  37. How Diabetes Causes Blindness
  38. How Diabetes Causes Foot Problems
  39. How Hospitals and Clinics Keep You Safe During the COVID-19 Pandemic
  40. How Palliative Care Can Help With Goals and Dreams
  41. How Palliative Care Can Help With Pain and Treatment Side Effects
  42. How Palliative Care Can Help With Spiritual Concerns
  43. How Pregnancy (Conception) Occurs
  44. How Reading Helps Language Development
  45. How the Heart Works
  46. How to Build Well-Being
  47. How to Eat Healthy When You're Home All The Time
  48. How to Find Sodium
  49. How to Get Rid of Medicines
  50. How to Get Up Safely After a Fall
  51. How to Stop Bleeding From a Head Wound
  52. How to Take Birth Control Pills
  53. How to Teach Your Child by Example
  54. How to Track Your Stress
  55. How to Transport a Piece of Tongue
  56. How You Can Help Older Adults Stay Connected

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  1. Hydrazine Sulfate (PDQ®): Integrative, alternative, and complementary therapies - Health Professional Information [NCI]
  2. Hydrazine Sulfate (PDQ®): Integrative, alternative, and complementary therapies - Patient Information [NCI]
  3. Hydrocele
  4. Hydrocortisone for Itching
  5. Hydrotherapy
  6. Hyperbaric Oxygen Therapy for Carbon Monoxide Poisoning
  7. Hyperkalemia
  8. Hyperparathyroidism
  9. Hypertensive Emergency
  10. Hyperthyroidism
  11. Hyperthyroidism: Graves' Ophthalmopathy
  12. Hyperthyroidism: Should I Use Antithyroid Medicine or Radioactive Iodine?
  13. Hypertrophic Cardiomyopathy
  14. Hypertrophic Cardiomyopathy: Risk of Sudden Death
  15. Hypertrophic Cardiomyopathy Types
  16. Hyperventilation
  17. Hypnosis
  18. Hypoglycemia (Low Blood Sugar) in People Without Diabetes
  19. Hypoglycemic Unawareness: Taking Steps to Stay Safe
  20. Hypokalemia
  21. Hyponatremia
  22. Hypopharyngeal Cancer Treatment (Adult) (PDQ®): Treatment - Health Professional Information [NCI]
  23. Hypopharyngeal Cancer Treatment (Adult) (PDQ®): Treatment - Patient Information [NCI]
  24. Hypospadias
  25. Hypothermia and Cold Temperature Exposure
  26. Hypothyroidism
  27. Hysterectomy
  28. Hysterectomy and Oophorectomy: Should I Use Estrogen Therapy (ET)?
  29. Hysterectomy for Endometrial Cancer
  30. Hysterectomy for Ovarian Cancer
  31. Hysterectomy: Should I Also Have My Ovaries Removed?
  32. Hysterosalpingogram (HSG) - Medical Test
  33. Hysteroscopy - Medical Test