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