Viagra and related drugs are not a universal cure-all for impotence, according to a study from The University of Manchester and NatCen Social Research published in April 2015 in the International Journal of Impotence Research. A release from the university notes that drugs, clinically known as oral phosphodiesterase type 5 inhibitors (PDE5i), have become the… Continue reading Viagra and Related Drugs Are Not a Panacea for ED