Here are the main causes of impotence. Secondary impotence, defined as the loss of erectile function after a period of normal function, is more common. Ultrasound is then used to see vascular dilation and measure penile blood pressure. Their absence may indicate a problem with nerve function or blood supply in the penis. One of the most promising herbs is the purified extract of Tribulus terrestris. It works as follows: The cylinder is placed on the penis and the pump is then used to draw air out of the cylinder. In this case, the impotence lasts as long as you are taking the drugs. Additionally, adequate levels of testosterone (produced by the testes) and an intact pituitary gland are required for the development of a healthy erectile system. The physician squeezes the glans (head) of the penis, which immediately causes the anus to contract if nerve function is normal. The active ingredient of Tribulus acts as a natural precursor to these hormones and is converted into its final forms by the body's own natural enzymes.
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In all, these studies proved that Tribulus works very well in curing sexual dysfunctions and maximizing sexual performance when taken regularly. 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. 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. A useful and simple way to distinguish between physiological and psychological impotence is to determine whether the patient ever has an erection.-Mr.Robinson, Ohio