Natural health is quickly becoming a popular treatment in America. But do impotence herbs work? Surprisingly, even herbs that have been around for centuries are showing positive results in various research studies. Many people are concerned about the side effects of E.D. (such as permanent blindness or deafness). It is not surprising that so many people are turning to natural health to treat their impotence. Here are five impotence herbs that you might want to consider if you don't want…