The key sex hormone which declines with age and great herbs to boost levels naturally are - Horny Goat Weed which both increases testosterone and thyroid hormone to normal, improving sex drive. The exact cause of an immune system attack is unknown. But scientists have discovered genetic markers that increase your risk of fivefold RA. If you have a poor diet its time to correct that now. Erectile dysfunction is also noted prominently on the list of men who wear the tight jeans daily. It causes the penis to be always in exactly the same position due to which the muscles inside penis become rigid to make the arteries blocked. Sometimes even the hardening from the arteries is additionally observed within the penis. Hence, the blood circulation on the penis is reduced and erection dysfunction is found inside individual. High temperature also makes penis to sweat a whole lot, which results in the loosening in the skin and penile muscles. That results inside soft erection through the sexual practice. Wearing jeans also puts everyone of pressure for the scrotum, that makes the veins and arteries within the penis to constrict, this results inside the inadequate circulation creating the erection dysfunction.