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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 Prevention: Posture and Body Mechanics
  6. Headaches
  7. Headaches
  8. Headaches in Children
  9. Headaches, Tension-type
  10. Headaches: Finding and Avoiding Triggers
  11. Headaches: Managing a Headache
  12. Headaches: Should I Have Imaging Tests to Find Out What's Causing My Headaches?
  13. Headaches: Should I Take Medicine to Prevent Migraines?
  14. Headaches: Should I Take Prescription Medicine for Tension Headaches?
  15. Healing Through Humor
  16. Healing Touch
  17. Health and Safety, Ages 2 to 5 Years
  18. Health and Safety, Birth to 2 Years
  19. Health Claims on Food Labels
  20. Health Problems Associated With Adult Obesity
  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. Healthcare-Associated Pneumonia (Nosocomial Pneumonia)
  26. Healthwise Self-Care Checklist
  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 for Children
  34. Healthy Eating in Children: Problems Caused by Poor Nutrition
  35. Healthy Eating in Children: Things That Influence Food Choices
  36. Healthy Eating to Decrease Stress
  37. Healthy Eating: Changing Your Eating Habits
  38. Healthy Eating: Cutting Unhealthy Fats From Your Diet
  39. Healthy Eating: Eating Heart-Healthy Foods
  40. Healthy Eating: Eating Less Sodium
  41. Healthy Eating: Getting Support When Changing Your Eating Habits
  42. Healthy Eating: Helping Your Child Learn Healthy Eating Habits
  43. Healthy Eating: Influences on Eating Behavior
  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 Habits for Kids
  52. Healthy Habits to Prevent or Reduce Problems From Osteoporosis
  53. Healthy Muscles
  54. Hearing Aids
  55. Hearing Loss
  56. Hearing Loss: Should I Get Hearing Aids?
  57. Hearing Protectors
  58. Heart and Circulation
  59. Heart Arrhythmias and Exercise
  60. Heart Attack and Stroke in Women: Reducing Your Risk
  61. Heart Attack and Stroke Risk Screening
  62. Heart Attack and Unstable Angina
  63. Heart Attack: How to Prevent Another One
  64. Heart Block
  65. Heart Failure
  66. Heart Failure and Sexual Activity
  67. Heart Failure and Sleep Problems
  68. Heart Failure Complications
  69. Heart Failure Daily Action Plan
  70. Heart Failure Stages
  71. Heart Failure Symptoms
  72. Heart Failure Types
  73. Heart Failure With Preserved Ejection Fraction (Diastolic Heart Failure)
  74. Heart Failure With Reduced Ejection Fraction (Systolic Heart Failure)
  75. Heart Failure: Activity and Exercise
  76. Heart Failure: Avoiding Colds and Flu
  77. Heart Failure: Avoiding Medicines That Make Symptoms Worse
  78. Heart Failure: Avoiding Triggers for Sudden Heart Failure
  79. Heart Failure: Checking Your Weight
  80. Heart Failure: Compensation by the Heart and Body
  81. Heart Failure: Disease Management Programs
  82. Heart Failure: Eating a Healthy Diet
  83. Heart Failure: Less Common Symptoms
  84. Heart Failure: Should I Get a Pacemaker (Cardiac Resynchronization Therapy)?
  85. Heart Failure: Should I Get an Implantable Cardioverter-Defibrillator (ICD)?
  86. Heart Failure: Taking Medicines Properly
  87. Heart Failure: Tips for Caregivers
  88. Heart Failure: Tips for Easier Breathing
  89. Heart Failure: Watching Your Fluids
  90. Heart Health: Walking for a Healthy Heart
  91. Heart Murmur
  92. Heart Rate Problems: Should I Get a Pacemaker?
  93. Heart Rhythm Problems and Driving
  94. Heart Rhythm Problems: Diary of Symptoms
  95. Heart Rhythm Problems: How to Travel Safely
  96. Heart Rhythm Problems: Should I Get an Implantable Cardioverter-Defibrillator (ICD)?
  97. Heart Rhythm Problems: Symptoms
  98. Heart Tests: When Do You Need Them?
  99. Heart Transplant
  100. Heart Valve Disease
  101. Heart Valve Disease and Pregnancy
  102. Heart Valve Problems: Should I Choose a Mechanical Valve or Tissue Valve to Replace My Heart Valve?
  103. Heart Valve Replacement Surgery
  104. Heart Valve Replacement Surgery: How to Prepare
  105. Heart Valve Replacement Surgery: Life After Surgery
  106. Heart Valve Surgery: Recovery
  107. Heart-Healthy Eating
  108. Heart-Healthy Eating: Fish
  109. Heart-Healthy Lifestyle
  110. Heartburn
  111. Heartburn: Changing Your Eating Habits
  112. Heartburn: Reducing Pressure on Your Stomach
  113. Heat After an Injury
  114. Heat Rash
  115. Heat Waves
  116. Heat-Related Illnesses
  117. Heatstroke Prevention: Acclimating to the Heat
  118. Heatstroke Prevention: What to Wear
  119. Heatstroke: Emergency Symptoms
  120. Heavy Menstrual Periods
  121. Heavy Sweating
  122. Heel Bursitis or Tendon Injury: Preventing Pain
  123. Heimlich Maneuver for Adults and Children Older Than 1 Year
  124. Helicobacter Pylori Bacteria
  125. HELLP Syndrome and Preeclampsia
  126. Help for Anger Problems
  127. Help Your School-Age Child Develop Social Skills
  128. Help Your Working Teen Balance Responsibilities and Set Priorities
  129. Helping a Family Member Who Has PTSD
  130. Helping a Loved One After Coronary Artery Bypass Graft Surgery
  131. Helping a Person During a Seizure
  132. Helping Adolescents Develop More Mature Ways of Thinking
  133. Helping Children During Immunizations
  134. Helping Children With Disabilities Stay Active
  135. Helping Kids Handle Peer Pressure
  136. Helping Someone During a Panic Attack
  137. Helping Your Child Avoid Tobacco, Drugs, and Alcohol
  138. Helping Your Child Build a Healthy Body Image
  139. Helping Your Child Build Inner Strength
  140. Helping Your Child Transition Into Middle School or Junior High
  141. Helping Your Child Who Is Overweight
  142. Helping Your Newborn Learn
  143. Helping Your School-Age Child Learn About the Body
  144. Helping Your Teen Become a Safe Driver
  145. Helping Your Teen Follow a Gluten-Free Diet
  146. Hemispherectomy for Epilepsy
  147. Hemochromatosis
  148. Hemochromatosis Genetic Screening
  149. Hemodialysis
  150. Hemodialysis Compared to Peritoneal Dialysis
  151. Hemophilia
  152. Hemophilia: Preventing Bleeding Episodes
  153. Hemophilia: Treatment for People Who Have Inhibitors
  154. Hemophilia: Understanding Genetic Risk
  155. Hemorrhagic Stroke
  156. Hemorrhoidectomy for Hemorrhoids
  157. Hemorrhoids
  158. Hemorrhoids: Which Treatment Should I Use?
  159. Henna Tattoos (Mehndi)
  160. Hepatitis A
  161. Hepatitis A and Undercooked Shellfish
  162. Hepatitis A Vaccine: What You Need to Know
  163. Hepatitis B
  164. Hepatitis B and C: Risk of Liver Cancer
  165. Hepatitis B Treatment Recommendations
  166. Hepatitis B Vaccine: What You Need to Know
  167. Hepatitis B Viral DNA
  168. Hepatitis B: How to Avoid Spreading the Virus
  169. Hepatitis B: Postvaccination Test for Immunity
  170. Hepatitis B: Should I Be Tested?
  171. Hepatitis B: Should I Take Antiviral Medicine for Chronic Hepatitis B?
  172. Hepatitis C
  173. Hepatitis C Genotypes
  174. Hepatitis C Home Test
  175. Hepatitis C: Your Risk for Cirrhosis
  176. Hepatitis D
  177. Hepatitis E
  178. Hepatitis Immunoglobulin (HBIG)
  179. Hepatitis Panel
  180. Heroin

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  1. Hiatal Hernia
  2. Hiatal Hernia and GERD
  3. Hib (Haemophilus Influenzae Type B) Vaccine: What You Need to Know
  4. Hiccups
  5. Hidden Gluten
  6. Hidradenitis Suppurativa
  7. High Blood Pressure
  8. High Blood Pressure
  9. High Blood Pressure During Pregnancy
  10. High Blood Pressure in African Americans
  11. High Blood Pressure in Children
  12. High Blood Pressure, Transient Ischemic Attack, and Stroke
  13. High Blood Pressure: Checking Your Blood Pressure at Home
  14. High Blood Pressure: Nutrition Tips
  15. High Blood Pressure: Over-the-Counter Medicines to Avoid
  16. High Blood Pressure: Should I Take Medicine?
  17. High Blood Pressure: Taking Medicines Properly
  18. High Blood Pressure: Using the DASH Diet
  19. High Blood Sugar Emergencies from Diabetes, Preventing
  20. High Blood Sugar from Diabetes
  21. High Cholesterol
  22. High Cholesterol: Effect of Food on Cholesterol
  23. High Cholesterol: Healthy Food Choices
  24. High Cholesterol: How a Dietitian Can Help
  25. High Cholesterol: Making Lifestyle Changes
  26. High Triglycerides
  27. High-Dose Vitamin C (PDQ®): Integrative, alternative, and complementary therapies - Health Professional Information [NCI]
  28. High-Dose Vitamin C (PDQ®): Integrative, alternative, and complementary therapies - Patient Information [NCI]
  29. High-Output Heart Failure
  30. High-Potassium Foods
  31. High-Pressure Injection Wounds
  32. High-Protein Foods for Wound Healing
  33. High-Risk Pregnancy
  34. High-Risk Sexual Behavior
  35. Hip Bursitis or Tendon Injury: Preventing Pain
  36. Hip Dysplasia: Caring for Your Child in a Body (Spica) Cast
  37. Hip Fracture
  38. Hip Fracture Repair (Hip Pinning)
  39. Hip Fractures: What Increases Your Risk
  40. Hip Injuries, Age 11 and Younger
  41. Hip Injuries, Age 12 and Older
  42. Hip Problems, Age 11 and Younger
  43. Hip Problems, Age 12 and Older
  44. Hip Replacement Surgery, Deciding About
  45. Hip Resurfacing Arthroplasty
  46. Hirschsprung's Disease
  47. HIV (Human Immunodeficiency Virus) Infection
  48. HIV and AIDS: Who Is Affected
  49. HIV and Cytomegalovirus
  50. HIV and Exercise
  51. HIV and Fatigue
  52. HIV and Pregnancy
  53. HIV and Weight Loss
  54. HIV Home Care
  55. HIV Infection, Counseling for
  56. HIV Screening
  57. HIV Symptoms in Children
  58. HIV Testing: Should I Get Tested for Human Immunodeficiency Virus?
  59. HIV Treatment in Children
  60. HIV Viral Load
  61. HIV-2
  62. HIV: Antiretroviral Therapy (ART)
  63. HIV: Giving Support
  64. HIV: Nonprogressors and HIV-Resistant People
  65. HIV: Preventing Infections
  66. HIV: Preventing Other Infections When You Have HIV
  67. HIV: Risks of Sexual Contact
  68. HIV: Stages of Infection
  69. HIV: Taking Antiretroviral Drugs
  70. HIV: Tips for Caregivers to Avoid Infection
  71. HIV: Why Healthy Eating Matters

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  1. Hoarding Disorder
  2. Hodgkin's Lymphoma
  3. Home Remedies for Bites and Stings
  4. Home Test for Protein in Urine
  5. Home Treatment for Second-Degree Burns
  6. Homeopathy
  7. Homocystinuria
  8. Hormonal Birth Control: Risk of Blood Clots
  9. Hormonal Factors in Erection Problems
  10. Hormone Replacement Therapy, Deciding About
  11. Hormone Tests to Check for Undescended Testicles
  12. Hormone Therapy for Dysfunctional Uterine Bleeding, Deciding About
  13. Hormone Therapy for Endometriosis, Deciding About
  14. Hormone Therapy for Prostate Cancer (Androgen Deprivation Therapy, or ADT)
  15. Hormone Treatment for Breast Cancer
  16. Hormones
  17. Hospice Care
  18. Hospital Discharge Planning
  19. Hospital Isolation Rooms
  20. Hospital Patient Advocates
  21. Hospital Policies and Breastfeeding
  22. Hostility and Anger
  23. Hot Flashes and Menopause
  24. Hot Flashes and Night Sweats (PDQ®): Supportive care - Health Professional Information [NCI]
  25. Hot Flashes and Night Sweats (PDQ®): Supportive care - Patient Information [NCI]
  26. How a Scrape Heals
  27. How ADHD Affects Your Child
  28. How Adolescent Thinking Develops
  29. How Asthma Develops in Children
  30. How Birth Control Methods Prevent Pregnancy
  31. How Common Is Lumbar Spinal Stenosis?
  32. How Cystic Fibrosis Affects Breathing and the Lungs
  33. How Cystic Fibrosis Affects Digestion and the Pancreas
  34. How Cystic Fibrosis Affects the Bones
  35. How Cystic Fibrosis Affects the Reproductive System
  36. How Cystic Fibrosis Affects the Sweat Glands
  37. How Diabetes Causes Blindness
  38. How Diabetes Causes Foot Problems
  39. How Diabetes Causes Nerve Disease
  40. How Erections Occur
  41. How Normal Vision Develops
  42. How Pregnancy (Conception) Occurs
  43. How Reading Helps Language Development
  44. How Storytelling Helps Children Express Feelings About Loss
  45. How the Body Controls Blood Sugar
  46. How the Heart Works
  47. How to Find Sodium
  48. How to Get Rid of Medicines
  49. How to Get Up Safely After a Fall
  50. How to Recognize Poison Ivy, Oak, and Sumac
  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 We Hear
  57. How Your Joints Work

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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. Hyperglycemia, Diabetic
  8. Hyperglycemic Emergencies from Diabetes, Preventing
  9. Hyperparathyroidism
  10. Hypertension (High Blood Pressure)
  11. Hypertension: Checking your blood pressure at home
  12. Hypertension: Using the DASH diet
  13. Hyperthyroidism
  14. Hyperthyroidism: Age-Related Symptoms
  15. Hyperthyroidism: Graves' Ophthalmopathy
  16. Hyperthyroidism: Medicines for Symptoms
  17. Hyperthyroidism: Should I Use Antithyroid Medicine or Radioactive Iodine?
  18. Hypertriglyceridemia
  19. Hypertrophic Cardiomyopathy
  20. Hypertrophic Cardiomyopathy Types
  21. Hypertrophic Cardiomyopathy: Risk of Sudden Death
  22. Hyperventilation
  23. Hypnosis
  24. Hypoglycemia (Low Blood Sugar) in People Without Diabetes
  25. Hypoglycemia from taking insulin, Dealing with
  26. Hypoglycemia from taking oral diabetes medicine, Dealing with
  27. Hypoglycemia, Diabetic
  28. Hypopharyngeal Cancer Treatment (Adult) (PDQ®): Treatment - Health Professional Information [NCI]
  29. Hypopharyngeal Cancer Treatment (Adult) (PDQ®): Treatment - Patient Information [NCI]
  30. Hypospadias
  31. Hypothermia and Cold Temperature Exposure
  32. Hypothyroidism
  33. Hypothyroidism in Infants, Children, and Teens
  34. Hysterectomy
  35. Hysterectomy and Oophorectomy to Treat Endometriosis, Deciding About
  36. Hysterectomy and Oophorectomy: Should I Use Estrogen Therapy (ET)?
  37. Hysterectomy for Endometrial Cancer
  38. Hysterectomy for Ovarian Cancer
  39. Hysterectomy Questions
  40. Hysterectomy: Concerns About Sex
  41. Hysterectomy: Emotional Reactions
  42. Hysterectomy: Should I Also Have My Ovaries Removed?
  43. Hysterectomy: Types of Surgical Incisions