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 ...

Scientists think they may have finally discovered the reason why human body temperature has been decreasing over the past few centuries—gut microbes. A paper published in the American Journal of ...

Here’s why we appear to be getting cooler, and what that could mean when it comes to fevers. By Dana G. Smith Over the past few decades, evidence has been mounting that the average human body ...

Dear Dr. Roach: I am an 80-year-old man in relatively good health. I don’t smoke or drink, and I have a vegetarian diet. I exercise moderately, and I am not overweight. About 30 years ago, I ...

For decades, 98.6 degrees Fahrenheit has been the widely accepted “normal” average temperature for the human body. But new research adds to the growing body of evidence that humans actually run a bit ...

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 ...

As temperatures around the world rise because of climate change, the human body is increasingly confronting a little-understood and increasing hazard: excessive heat. From enduring heatwaves to ...

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 ...