American residents across 15 states have been issued with "extreme cold" and "freeze" warnings by the National Weather ...

Here’s what hypothermia is, what causes it and how it is typically treated if it affects you or someone you love.

Chills help raise your body temperature by contracting and relaxing muscles rapidly. Chills are often caused by health conditions, including fevers, low blood sugar, an underactive thyroid, and ...

Add Yahoo as a preferred source to see more of our stories on Google. “Shivering is a way for our bodies to generate heat when we are cold,” says Dr. Natasha Bhuyan, a family physician based in ...