The Sun is the most affordable, natural "viagra"

<p> The cheapest, natural viagra, is a lot of Sun. </ p> Because human blood testosterone levels, as the body content of vitamin D increases and rising. <p> Austria Graz University researchers found that within each ml of blood .at least 30 nanograms of vitamin d, the body of the male testosterone content than vitamin d levels lower than 30 nanograms per milliliter of blood. </ p> It is understood that each ml of blood in the human body has 30 nanograms of vitamin d .to normal levels, each ml of blood in 40-60 gram best. In ultraviolet exposure, in 90% of vitamin D is produced by the skin. <p> Research has shown that in vivo testosterone levels which increases as the fluctuations of the vitamin .D content. </ p> October every year, the human body vitamin D and testosterone levels will drop, and sync to year 3 month minimum. <! - AFP Control Code / Caption. left vertical banner --><!-- .AFP Control Code End/No.--> <p> This is because of the time in the outdoors to be shorter, the Sun is less of a chance. </ p> The study also confirmed once again, Sun 1 hour per day ., the body can increase testosterone 69%. <p> Netherlands Rizhao Research Forum spokesperson Hildebrand said: "people to guarantee adequate levels of vitamin D in the body, helps to stabilize the testosterone content, sexual desire will be maintained at a high level. .</ p> This finding greater impact on men. "<p align="right"> (Practice editing: single Wenxian) </ p>.