Learn how a fever-related molecule activates emotional brain circuits, which intensify chills and drive warmth-seeking ...

When running a fever during infection, we often feel chills, which prompt us to take action to warm ourselves, such as turning on a heater or adding layers of clothing. Increased body temperature ...

As the world's best athletes take to frozen tracks, snow-covered courses and ice-lined arenas at the Winter Olympics, the cold is more than a backdrop, it is a force shaping every movement. From ...

Freezing temperatures and long-term power outages can quickly create dangerous health situations.Even at seemingly routine winter temperatures, the cold can exhaust the body and overwork the heart ...