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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 - Patient Information [NCI]
  20. Adrenocortical Carcinoma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  21. Adrenocorticotropic Hormone (ACTH) Test - Medical Test
  22. Adult Acute Lymphoblastic Leukemia Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  23. Adult Acute Lymphoblastic Leukemia Treatment (PDQ®): Treatment - Patient Information [NCI]
  24. Adult Central Nervous System Tumors Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  25. Adult Central Nervous System Tumors Treatment (PDQ®): Treatment - Patient Information [NCI]
  26. Adult Hodgkin Lymphoma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  27. Adult Hodgkin Lymphoma Treatment (PDQ®): Treatment - Patient Information [NCI]
  28. Adult Immunization Schedule
  29. Adult Non-Hodgkin Lymphoma Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  30. Adult Non-Hodgkin Lymphoma Treatment (PDQ®): Treatment - Patient Information [NCI]
  31. Adult Primary Liver Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI]
  32. Adult Primary Liver Cancer Treatment: Treatment - Patient Information [NCI]
  33. Advance Care Planning
  34. Advance Care Planning for Your Child
  35. Advance Care Planning: Should I Have Artificial Hydration and Nutrition?
  36. Advance Care Planning: Should I Receive CPR and Life Support?
  37. Advance Care Planning: Should I Stop Kidney Dialysis?
  38. Advance Care Planning: Should I Stop Treatment That Prolongs My Life?
  39. Advance Directive: What to Include
  1. Alanine Aminotransferase (ALT) Test - Medical Test
  2. Alan's Story: Coping With Change After a Heart Attack
  3. Albumin Urine Test - Medical Test
  4. Alcohol and Drug Use
  5. Alcohol and Drugs: When to Get Help for an Intoxicated Person
  6. Alcohol and Substance Use in Post-Traumatic Stress Disorder (PTSD)
  7. Alcohol Effects on a Fetus
  8. Alcohol Increases the Risk of Cold Injury
  9. Alcohol or Drug Use During Pregnancy
  10. Alcohol Problems: Helping Someone Get Treatment
  11. Alcohol Problems: How to Stop Drinking
  12. Alcohol Use Disorder
  13. Alcohol Withdrawal
  14. Alcoholic Cardiomyopathy
  15. Aldosterone in Blood Test - Medical Test
  16. Aldosterone in Urine Test - Medical Test
  17. Alkali Burns
  18. Alkaline Phosphatase Test - Medical Test
  19. Allen Test - Medical Test
  20. Allergic Reaction
  21. Allergic Reaction to Tattoo Dye
  22. Allergic Rhinitis
  23. Allergic Rhinitis: Common Triggers
  24. Allergies
  25. Allergies: Avoiding Indoor Triggers
  26. Allergies: Avoiding Outdoor Triggers
  27. Allergies: Giving Yourself an Epinephrine Shot
  28. Allergies in Children: Giving an Epinephrine Shot to a Child
  29. Allergies: Rush Immunotherapy
  30. Allergies: Should I Take Allergy Shots?
  31. Allergies: Should I Take Shots for Insect Sting Allergies?
  32. Allergies to Insect Stings
  33. Allergy Shots for Allergic Rhinitis
  34. Allergy Shots for Asthma
  35. Allergy Tests - Medical Test
  36. Allergy to Natural Rubber (Latex)
  37. Allogeneic Stem Cell Transplant
  38. Alopecia Areata
  39. Alpha-1 Antitrypsin Deficiency Genetic Testing
  40. Alpha-Fetoprotein (AFP) Test - Medical Test
  41. Altitude Sickness
  42. Alzheimer's and Other Dementias: Coping With Sundowning
  43. Alzheimer's and Other Dementias: Maintaining Good Nutrition
  44. Alzheimer's and Other Dementias: Making the Most of Remaining Abilities
  45. Alzheimer's Disease
  46. Alzheimer's Disease: Should I Take Medicines?
  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. Andy's Story: Finding Your Own Routine When You Have Diabetes
  10. Anemia
  11. Anemia During Pregnancy
  12. Anemia of Chronic Disease (ACD)
  13. Anemia of Chronic Kidney Disease
  14. Anesthesia
  15. Anesthesia: Health Risks
  16. Anger, Hostility, and Violent Behavior
  17. Angina
  18. Angiogram - Medical Test
  19. Angiogram of the Head and Neck - Medical Test
  20. Angiogram of the Lung - Medical Test
  21. Angiotensin II Receptor Blockers (ARBs)
  22. Angiotensin-Converting Enzyme (ACE) Inhibitors
  23. Animal and Human Bites
  24. Animal and Human Bites: When Stitches Are Needed
  25. Ankle Sprain
  26. Ankle-Brachial Index Test - Medical Test
  27. Ankylosing Spondylitis
  28. Anorexia: Learning New Eating Behaviors
  29. Anorexia: Learning to Trust Others
  30. Anorexia Nervosa
  31. Anosmia
  32. Anterior Cruciate Ligament (ACL) Injuries
  33. Anterior Cruciate Ligament (ACL) Surgery
  34. Anthrax
  35. Antibiotic Sensitivity Test - Medical Test
  36. Antibiotics
  37. Antibody Test for COVID-19
  38. Antibody Tests for Lupus - Medical Test
  39. Anticoagulants
  40. Antidepressant Withdrawal
  41. Antidepressants
  42. Antigen Tests for Giardiasis - Medical Test
  43. Antihistamines
  44. Antihistamines for Morning Sickness
  45. Antineoplastons (PDQ®): Integrative, alternative, and complementary therapies - Health Professional Information [NCI]
  46. Antineoplastons (PDQ®): Integrative, alternative, and complementary therapies - Patient Information [NCI]
  47. Antinuclear Antibodies (ANA) Test - Medical Test
  48. Antioxidants
  49. Antiphospholipid Syndrome and Pregnancy
  50. Antiplatelets
  51. Antipsychotic Medicines
  52. Antiretroviral Medicines for HIV
  53. Antisperm Antibody Test - Medical Test
  54. Antithyroid Antibody Tests - Medical Test
  55. Anxiety
  56. Anxiety: Stop Negative Thoughts