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 ...

Metabolism and thyroid hormones: a close relationship. Because they have such a big impact on how your body uses energy, thyroid hormones are often called the metabolic regulators. Your body burns ...

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. You can have a low body ...

Understanding the difference between heat stroke and heat exhaustion can mean the difference between life and death during ...

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 ...