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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 Peripheral Arterial Disease of the Legs
  23. Angioplasty for Stable Angina, Deciding About
  24. Angiotensin II receptor blockers (ARBs)
  25. Angiotensin-converting enzyme (ACE) inhibitors
  26. Animal and Human Bites
  27. Animal and Human Bites: When Stitches Are Needed
  28. Ankle Sprain
  29. Ankylosing Spondylitis
  30. Anorexia: Learning New Eating Behaviors
  31. Anorexia: Learning to Trust Others
  32. Anorexia Nervosa
  33. Anosmia
  34. Anterior Cruciate Ligament (ACL) Injuries
  35. Anterior Cruciate Ligament (ACL) Injury, Deciding About Surgery
  36. Anterior Cruciate Ligament (ACL) Surgery
  37. Anthrax
  38. Antibiotic Sensitivity Test
  39. Antibiotics
  40. Antibiotics for an Ear Infection, Deciding About
  41. Antibody Test for COVID-19
  42. Antibody Tests for Lupus
  43. Anticoagulants
  44. Antidepressant Withdrawal
  45. Antidepressants
  46. Antidepressants; Should I Take Them when I am Pregnant?
  47. Antihistamines
  48. Antihistamines for Morning Sickness
  49. Antihypertensive Medications, Deciding About
  50. Antineoplastons (PDQ®): Integrative, alternative, and complementary therapies - Health Professional Information [NCI]
  51. Antineoplastons (PDQ®): Integrative, alternative, and complementary therapies - Patient Information [NCI]
  52. Antioxidants
  53. Antiphospholipid Syndrome and Pregnancy
  54. Antiplatelets
  55. Antipsychotic medicines
  56. Antiretroviral medicines for HIV
  57. Antithyroid Medication or Radioactive Iodine for Hyperthyroidism, Deciding About
  58. Antiviral Medicines for Flu, Deciding About Taking
  59. Antiviral Therapy for Chronic Hepatitis B, Deciding About
  60. Anxiety
  61. Anxiety: Stop Negative Thoughts