Share on Pinterest Is exercise as effective as Viagra for treating erectile dysfunction? A meta-analysis provides new evidence. Adam Kaz/Getty Images Aerobic exercise is nearly as effective at ...

Small concentrations of it dissolved in a vase of water can double the shelf life of cut flowers, researchers have found. The droop-delaying substance is sildenafil, sold under the brand name Viagra - ...

Viagra lasts for about four hours, but it can last longer in some people. Viagra should be taken 30 minutes to an hour before sexual activity. Older age or certain drugs can make Viagra stay in your ...

Viagra is so popular that its name has become synonymous with ED treatment — just like Ziploc has with plastic bags. But the active ingredient in Viagra is sildenafil. Pfizer Pharmaceuticals patented ...