That thermometer reading you barely glance at during a doctor’s visit? It might be hiding critical information about your health that goes far beyond checking for a fever. While we’ve long treated ...

Feeling cold all the time is not just a comfort issue. It can be an early warning sign of anemia, metabolic slowdown, or ...

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 ...

This lesson plan teaches students how the human body self-regulates to maintain a stable internal environment despite changes in the external environment -- a process called homeostasis. Most of the ...

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 ...