When you’re feeling sick and wondering whether to go to work or school, the thermometer often has the final verdict. Most people have been taught a body temperature of 98.6 Fahrenheit is normal, while ...

Common knowledge says that your body temperature should be 98.6 degrees F and that a high or low body temperature signals something is wrong. But that's not quite true. In general, normal body ...

Throughout history, people have had to find ways to cope with varying environmental conditions. Whether they lived in a hot or cold climate or had access to plentiful or limited water, they adapted ...