Between one third and one half of all diabetic men report some form of sexual difficulty. High Blood Pressure. Many of the drugs used to treat hypertension may cause impotence as a side effect, although it is reversible when the drugs are stopped. More recent drugs, such as ACE inhibitors, in any case, appear to be less likely to cause erectile dysfunction. Aging In one survey, about half of all men believed that impotence is an inevitable consequence of aging.
Age also seems to affect the time it takes for ejaculation to occur.
It is important to note that these changes are generally thought to be a normal and inevitable part of the aging process, but are not an inevitable cause of impotence. One study found that men with higher levels of DHEA had a lower risk for impotence. The age-related lower levels of these male hormones are not as severe as the estrogen drop in women after menopause, but they may contribute to declines in muscle strength and sexual drive. Lower levels of BT appear to play the major role in causing these changes. Hormone insufficiencies leading to hypogonadism are usually caused by disorders in the pituitary or hypothalamus glands.