Sexual dysfunction | sexual dysfunction | Pelvic floor dysfunction | 20 Years of Dysfunction |
Dr. Sorenson has published a scientific paper in the journal Dermatoendocrinology, on Vitamin D and erectile dysfunction (ED), theorizing that lack of vitamin D or sunlight could be a contributor to ED.
In the “Sex in America” surveys (1999 and 2008), University of Chicago researchers found that between adolescence and age 59, approximately 30% of men reported having experienced PE at least once during the previous 12 months, whereas about 10 percent reported erectile dysfunction (ED).
According to WebMD, while evidence suggest that one specific Eurycoma longifolia supplement might have some role in boosting sperm quality, there is insufficient evidence to rate it for any other claimed use including treatments for erectile dysfunction, low sex drive, cancer, malaria and tuberculosis.
Medical studies conducted by scholars at the University of New South Wales and the University of Alaska claim that as Chinese are rapidly modernizing, more and more men are purchasing Viagra instead of tiger penis to cure erectile dysfunction.