Arizona State hockey player Matthew Mayich was participating in a punishing military-style outdoor team workout when he ...

Heart failure hospitalization risk increases after short-term exposure to cold spells, lower ambient temperatures and higher ...

Measles is showing up in places where people who can’t be protected have to live, work or go to school.

Fatigue, feeling dizzy or out of breath, and headaches are some of the most common signs of anemia, a blood disorder in which ...

Intense cold can be dangerous for personal safety. Long stretches can also affect energy consumption, agriculture and transportation. Here’s the latest forecast ...