A common practice turns your relatively safe plastic water bottle into a chemical time bomb. Here's what you need to know.
Obesogens are endocrine disrupters that change your body chemistry and make you fat. Here's where they're hiding and how to avoid them.
A new study says we've been looking for libido in all the wrong places. Here's the truth about testosterone, estrogen and sex drive.
Sperm counts have declined 59%. Here's why you should care, even if you're not ready to make babies.
There are plenty of good reasons to use Viagra and its cousins, other than the obvious one.