1. Allergies
  2. Common cold
  3. Pneumonia
  4. Bronchitis
  5. Emphysema
  6. Insomnia
  7. Depression
  8. Male-pattern baldness
  9. Gout
  10. Preeclampsia
  11. Arthritis
  12. Polio
  13. Lumbago?
    Suggested by @gilbaron