Both left-handedness and breast cancer are affected by sex hormones, and some studies suggested a link. Others, however, did ...

Sleep sex is a real medical condition. Explore sexsomnia symptoms, risk factors, brain wave research, and potential management strategies.

Background Little is known about the association between direct pollen exposure and cognitive performance. The aim of our ...

Their makers claim they can detect dozens of cancer types — but some scientists say they could be missing many cancers or ...

The conspiracy theories of our time seem fixated on an absence of clues.