Johns Hopkins and other researchers report what is believed to be the first direct evidence in lab animals that the erectile dysfunction drug sildenafil (also known as Viagra) amplifies the effects of a heart-protective protein.

A “basic science” breakthrough by Queen’s researchers into regulating a single enzyme may lead to new drug therapies that will help prevent heart attacks and strokes.

In one week we heard of two new ways that Viagra is being used for more than male erectile dysfunction (ED).

A study out in JAMA went after the tricky problem of women going off anti-depressants due to sexual dysfunction side effects by giving a group of women Viagra while another group got placebo. According to the study, 72 percent of women saw improved sexual functioning while only 27 percent did who got a placebo.

A cold slice of watermelon has long been a Fourth of July holiday staple. But according to recent studies, the juicy fruit may be better suited for Valentine’s Day.

A pricy drug used to treat a rare but well-known genetic disorder may hold wider promise as a treatment for millions of Americans with potentially lethal enlarged hearts, due mainly to high blood pressure, a study from Johns Hopkins shows.

It took Viagra ten years to get the Food and Drug Administration's stamp of approval.

The potency enhancing drug Viagra has been on the market for 10 years. In 1998, pharmaceutical company Pfizer introduced the erection drug that was to change millions of lives at a stroke. A solution to erectile dysfunction had been found, and the taboo surrounding impotence was largely a thing of the past.

Researchers at the University of Wisconsin-Madison report this month that sildenafil increases the amount of oxytocin released by stimulation of the posterior pituitary gland, a small structure directly underneath the brain that regulates hormone levels in response to neural signals.

Researchers at the University of Alberta have shown that Viagra, the popular drug prescribed for erectile dysfunction, can improve heart function and potentially save the lives of people with specific heart problems.