As extreme cold weather grips large sections of the United States, people still need to work and live their lives. CNN wellness expert Dr. Leana Wen has guidance.

While there's no universal cutoff that applies to everyone, understanding the risks and your body's responses can help you ...

Dangerously cold Arctic air is fueling extreme cold temperature warnings amid major winter storm. Here's what to know and how ...

How much colder will it get? Here's what to know about extreme cold weather warnings and wind chill temperatures forecast for ...