A decline in testosterone can affect a man's body. Aging Male Syndrome (AMS) has many signs. Below is a list of possible signs:

  1. Feeling fat/weight gain
  2. Problems sleeping
  3. Less interest in sex
  4. Feeling irritable or angry
  5. Loss of motivation
  6. Loss of drive at work
  7. Erection problems
  8. Nervousness
  9. Problems with memory and concentration
  10. Indecisiveness
  11. Lower self-confidence
  12. Tiredness
  13. Muscle loss
  14. Increased urination
  15. Depression
  16. Mood swings
  17. Loss of energy
  18. Bone loss
  19. Hair loss