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  1. Added Sugars
  2. Addison's Disease
  3. Adenomyosis
  4. ADHD and Hyperactivity
  5. ADHD: Helping Your Child Get the Most From School
  6. ADHD: Helping Your Child Get Things Done
  7. ADHD: Impulsivity and Inattention
  8. ADHD in Adults: Behavioral Strategies
  9. ADHD Myths and Facts
  10. ADHD: Should My Child Take Medicine for ADHD?
  11. ADHD: Social Skills Training
  12. ADHD: Symptoms in Adults
  13. ADHD: Taking Care of Yourself When Your Child Has ADHD
  14. ADHD: Tests for Other Disorders
  15. Adjustable Gastric Banding Surgery
  16. Adjustment to Cancer: Anxiety and Distress (PDQ®): Supportive care - Health Professional Information [NCI]
  17. Adjustment to Cancer: Anxiety and Distress (PDQ®): Supportive care - Patient Information [NCI]
  18. Adolescent Sensory and Motor Development
  19. Adrenocortical Carcinoma Treatment (Adult) (PDQ®): Treatment - Health Professional Information [NCI]
  20. Adrenocortical Carcinoma Treatment (Adult) (PDQ®): Treatment - Patient Information [NCI]
  21. Adult Acute Lymphoblastic Leukemia Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  22. Adult Acute Lymphoblastic Leukemia Treatment (PDQ®): Treatment - Patient Information [NCI]
  23. Adult Acute Myeloid Leukemia Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  24. Adult Acute Myeloid Leukemia Treatment (PDQ®): Treatment - Patient Information [NCI]
  25. Adult Central Nervous System Tumors Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  26. Adult Central Nervous System Tumors Treatment (PDQ®): Treatment - Patient Information [NCI]
  27. Adult Hodgkin Lymphoma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  28. Adult Hodgkin Lymphoma Treatment (PDQ®): Treatment - Patient Information [NCI]
  29. Adult Immunization Schedule
  30. Adult Non-Hodgkin Lymphoma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  31. Adult Non-Hodgkin Lymphoma Treatment (PDQ®): Treatment - Patient Information [NCI]
  32. Adult Primary Liver Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  33. Adult Primary Liver Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
  34. Adult Soft Tissue Sarcoma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  35. Adult Soft Tissue Sarcoma Treatment (PDQ®): Treatment - Patient Information [NCI]
  36. Advance Care Planning
  37. Advance Care Planning: Should I Have Artificial Hydration and Nutrition?
  38. Advance Care Planning: Should I Receive CPR and Life Support?
  39. Advance Care Planning: Should I Stop Kidney Dialysis?
  40. Advance Care Planning: Should I Stop Treatment That Prolongs My Life?
  41. Advance Directive: What to Include
  1. Anabolic Steroids
  2. Anal Cancer
  3. Anal Cancer Prevention (PDQ®): Prevention - Health Professional Information [NCI]
  4. Anal Cancer Prevention (PDQ®): Prevention - Patient Information [NCI]
  5. Anal Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  6. Anal Cancer Treatment (PDQ®): Treatment - Patient Information [NCI]
  7. Anal Fissure
  8. Anal Fistulas and Crohn's Disease
  9. Androgenetic Alopecia (Hair Loss, Inherited), Deciding about Treatment
  10. Andy's Story: Finding Your Own Routine When You Have Diabetes
  11. Anemia
  12. Anemia During Pregnancy
  13. Anemia of Chronic Disease (ACD)
  14. Anemia of Chronic Kidney Disease
  15. Anesthesia
  16. Anesthesia: Health Risks
  17. Anger, Hostility, and Violent Behavior
  18. Angina
  19. Angina (Stable), Deciding About Angioplasty
  20. Angiogram for Coronary Artery Disease, Deciding About
  21. Angioplasty for Coronary Artery Disease
  22. Angioplasty for Stable Angina, Deciding About
  23. Angiotensin II receptor blockers (ARBs)
  24. Angiotensin-converting enzyme (ACE) inhibitors
  25. Animal and Human Bites
  26. Animal and Human Bites: When Stitches Are Needed
  27. Ankle Sprain
  28. Ankylosing Spondylitis
  29. Anorexia: Learning New Eating Behaviors
  30. Anorexia: Learning to Trust Others
  31. Anorexia Nervosa
  32. Anosmia
  33. Anterior Cruciate Ligament (ACL) Injuries
  34. Anterior Cruciate Ligament (ACL) Injury, Deciding About Surgery
  35. Anterior Cruciate Ligament (ACL) Surgery
  36. Anthrax
  37. Antibiotic Sensitivity Test
  38. Antibiotics
  39. Antibiotics for an Ear Infection, Deciding About
  40. Antibody Test for COVID-19
  41. Antibody Tests for Lupus
  42. Anticoagulants
  43. Antidepressant Withdrawal
  44. Antidepressants
  45. Antidepressants; Should I Take Them when I am Pregnant?
  46. Antihistamines
  47. Antihistamines for Morning Sickness
  48. Antihypertensive Medications, Deciding About
  49. Antineoplastons (PDQ®): Integrative, alternative, and complementary therapies - Health Professional Information [NCI]
  50. Antineoplastons (PDQ®): Integrative, alternative, and complementary therapies - Patient Information [NCI]
  51. Antioxidants
  52. Antiphospholipid Syndrome and Pregnancy
  53. Antiplatelets
  54. Antipsychotic medicines
  55. Antiretroviral medicines for HIV
  56. Antithyroid Medication or Radioactive Iodine for Hyperthyroidism, Deciding About
  57. Antiviral Medicines for Flu, Deciding About Taking
  58. Antiviral Therapy for Chronic Hepatitis B, Deciding About
  59. Anxiety
  60. Anxiety: Stop Negative Thoughts