The vacuum forces blood into the penis, which in turn causes an erection. Other studies have suggested that Tribulus also acts by increasing the level of dehydroepiandrosterone (DHEA), a naturally occurring substance in the body believed to be important for a healthy sex drive. Impotence was once solely defined as the inability to achieve an erection. John Brinkley initiated a boom in male impotence cures in the U.S. Several types of FDA approved vacuum therapy devices are available with a doctor's prescription.
A note of caution: Although there are many Tribulus extracts available over the counter today, almost all of these have been found not to contain any significant amount of the active ingredient. When pharmacological methods fail, a purpose-designed external vacuum pump can be used to attain erection, with a separate compression ring fitted to the penis to maintain it. Several types of FDA approved vacuum therapy devices are available with a doctor's prescription.
Their absence may indicate a problem with nerve function or blood supply in the penis. In this case, the impotence lasts as long as you are taking the drugs. A useful and simple way to distinguish between physiological and psychological impotence is to determine whether the patient ever has an erection. These involuntary erections mean that everything is fine with the nerves, muscles and arteries involved in the erection process, and signals that the cause of impotence is elsewhere. As testosterone and other male sex hormone levels start to drop after reaching middle age, low testosterone level is often the culprit in most intermittent impotence problems, especially in older men. It is estimated that over 70% of all serious impotence cases are the result of diabetes, kidney diseases, multiple sclerosis, endocrine disorders, vascular diseases, and high blood pressure, as well as neurological diseases. To date, its effects on treating impotence and other sexual dysfunctions have been extensively studied. Other studies have suggested that Tribulus also acts by increasing the level of dehydroepiandrosterone (DHEA), a naturally occurring substance in the body believed to be important for a healthy sex drive. If you suspect this may be the cause, you can perform a simple test to see if impotence is just in your mind.