Sperm are male reproductive cells that are one-half responsible for creating life. Read on to discover some facts about sperm and male fertility.

Saunas, in one form or another, have been around for thousands of years. Benefits include reducing stress levels and pain, easing asthma symptoms, and even possibly reducing the risk of Alzheimer's. But there are some risks, too, that certain people need to be aware of before using a sauna. Find out the details here.