Here are 4 important facts about ED:
1. ED is often caused by diseases or conditions associated with aging. Or it may be caused by side effects of medications used to treat the conditions. It can also be caused by prostate surgery, stress, depression and problems associated with relationships.
2. ED may be caused by tissues’ loss of elasticity and by the slowing down of nerve communication.
3. Cardiovascular disease often leads to ED because clogged arteries affect blood vessels throughout the body, not just vessels of the heart. In 30% of the men who consult their doctors regarding ED, the ED is the first clue that they have cardiovascular disease.
4. The Massachusetts Male Aging Study suggests that there may be a natural ebb and flow of ED. For some men, ED may occur, last for a considerable amount of time and then partly or fully disappear without any treatment.
Source: Harvard Medical School Healthbeat, August 3, 2013