Severe period pain may signal endometriosis. Know early symptoms, causes, fertility risks, and why timely diagnosis and ...

Human newborns arrive remarkably underdeveloped. The reason lies in a deep evolutionary trade-off between big brains, bipedalism and the limits of motherhood.

Dr. Kelly Casperson shares the inspiration behind The Explorer, and why sexual pleasure changes as you age.

Many symptoms associated with prostate cancer, like frequent urination or difficulty peeing, may be caused by less-serious concerns. Learn more.

My first sex toy ever was a cheap and super sketch dual-ended jelly dildo from Amazon (which, disturbingly, is still sold ...