Why am I so tired all the time?

The more research I do on fatigue, the more I realize how many causes there are. The possibilities seem nearly endless. So I decided to try and compile an exhaustive list.

Here is what I have found so far:

  1. Chronic fatigue syndrome
  2. Anemia
  3. Hyperthyroidism
  4. Hypothyroidism
  5. Diabetes
  6. Low testosterone
  7. Sleep apnea
  8. Lyme disease
  9. Fibromyalgia
  10. Insomnia
  11. Chronic infection or inflammation
  12. Chronic kidney disease
  13. Alcohol or drug use
  14. Acute liver failure
  15. Oxygen deprivation through nasal obstruction
  16. Oxygen deprivation due to shallow breathing
  17. Oxygen deprivation due to swollen adenoids and or tonsils
  18. Chronic Obstructive Pulmonary Disease (COPD)
  19. Emphysema
  20. Jet lag disorder
  21. Poor mitochondrial health
  22. Poor gut biome
  23. Sleep deprivation due to caffeine
  24. Sleep deprivation due to late night screens
  25. Sleep deprivation due to poor sleep environment
  26. Oxygen deprivation due to allergies
  27. Poor digestion due to allergies
  28. Poor digestion due to lack of intestinal flora
  29. Calorie restriction
  30. Overeating
  31. Obesity
  32. Chronic fatigue due to carbohydrate sensitivity
  33. Inflammatory bowel disease
  34. Sleep deprivation due to caffeine sensitivity
  35. Chronic fatigue due to lack of exercise
  36. Excess physical activity
  37. Dehydration
  38. Chronic fatigue due to hormonal imbalance
  39. Depression
  40. Anxiety disorders
  41. Grief
  42. Cancer
  43. Concussion
  44. Multiple sclerosis
  45. Heart disease
  46. Vitamin D deficiency
  47. Iron deficiency
  48. Creatine deficiency
  49. Vitamin D deficiency
  50. Seasonal Affective Disorder
  51. Medications (e.g., antihistamines)
  52. COVID-19 (long COVID)

In the future, I will try to expand this list and link to relevant articles, both internally and externally.

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