In the ‘80s, researchers set out to test a medication called sildenafil citrate for treating high blood pressure and angina ...

Tadalafil operates by inhibiting the action of the enzyme PDE5. This enzyme is responsible for breaking down cyclic guanosine monophosphate (cGMP), a molecule that relaxes smooth muscles and allows ...

Whether you’re a senior in high school or a senior-living resident, you’ve likely heard of Viagra (sildenafil) — the original ...

She says the media storm has "clouded the line between" what it means to be childless or childfree. Perhaps the most important difference between the two, she says, is choice. "The reasons behind ...

Tim Smith has 20+ years of experience in the financial services industry, both as a writer and as a trader. Gordon Scott has been an active investor and technical analyst or 20+ years. He is a ...

Pelvic floor dysfunction — or PFD — is a term for a variety of disorders that affect the muscles in your pelvic floor. If the ...

At the end of OLT, improvement was significant for tadalafil OaD versus placebo only (p = 0.035). No significant differences were observed for SEAR. Conclusions These results suggest that ...

As with other aspects of the language, certain punctuation conventions can vary between British and American English. This section will focus on the most common differences between the two varieties.

However, there are a number of important differences between the two. In general, hepatitis may or may not be reversible (curable), whereas cirrhosis refers to permanent scarring of the liver, often ...

30-60 minutes 4-5 hours Can be delayed by food Well-established Tadalafil (Cialis) 30-120 minutes Up to 36 hours Can be delayed by food Long duration Vardenafil (Levitra) 30-60 minutes 4-5 hours Can ...

Take Viagra about an hour before sexual intercourse. Its effects can last up to four hours, and it’s safe to take once per day. Generic name tadalafil, Cialis was approved in Europe in 2002 and in the ...