ED is characterized by the persistent or recurring inability to achieve or maintain an erection of the penis with sufficient rigidity and duration for satisfactory sexual activity. It is defined as the "persistent or recurrent inability to achieve … See more

Causes of or contributors to ED include the following:
• Diets high in saturated fat are linked to heart diseases, and males with heart diseases are more likely to experience ED. By contrast, plant-based diets show … See more

Penile erection is managed by two mechanisms: the reflex erection, which is achieved by directly touching the penile shaft, and the … See more

In many cases, the diagnosis can be made based on the person's history of symptoms. In other cases, a physical examination and laboratory investigations are done to rule out more serious causes such as hypogonadism or prolactinoma.
One of the first … See more

Treatment depends on the underlying cause. In general, exercise, particularly of the aerobic type, is effective for preventing ED during midlife. Counseling can be used if the underlying cause is psychological, including how to lower stress or anxiety related to sex. … See more

Attempts to treat the symptoms described by ED date back well over 1,000 years. In the 8th century, males of Ancient Rome and Greece wore … See more

Anthropological research presents ED not as a disorder but, as a normal, and sometimes even welcome sign of healthy aging. Wentzell's study of 250 Mexican males in their 50s and 60s found that "most simply did not see decreasing erectile function as … See more