By the age of 40, around half of all men may experience some issues with erectile dysfunction. medication works about half ...

Studies of selective phosphodiesterase type 5 inhibitors (sildenafil [Viagra], vardenafil [Levitra], and tadalafil ... or to placebo; drugs were taken 1 to 2 hours before anticipated sexual ...

And as they say, the rest is history. The most effective and least invasive ED remedies are medicines in pill form. The most popular options currently available include Viagra, Levitra, and Cialis.

with vigorous competition from drugs such as Cialis and Levitra. "Pfizer is the 6th largest lobbier in Washington, and spent $25 million on lobbying during the passing of Obama’s healthcare ...

Horny goat weed is an extract from the epimedium grandiflorum plant, a flowering shrub native to Asia, Africa, and parts of ...