The amount of testosterone in your body may drop slightly in your late 20s through your 40s, but the change is minimal. After 40, your total levels may drop only a small amount. But your body slowly begins to make more of a protein called sex hormone binding globulin (SHBG).

What happens to mens bodies as they age?

Aging changes in the male reproductive system occur primarily in the testes. Testicular tissue mass decreases. The level of the male sex hormone, testosterone decreases gradually. The prostate gland enlarges with age as some of the prostate tissue is replaced with a scar like tissue.

How should a healthy 40 year old man be?

Here are a couple of strong options:Exercise early in the morning, before things go wrong with your day that could impinge on your workout time.Make exercise a necessary part of your daily routine. Exercise with your family (I do jiujitsu with my son) to combine quality time with exercise.More items •31 Jul 2019