As much as people enjoy the warm summer months, high temperatures can be hard on the human body. “As mammals, we live close to the thermal edge of life and death,” says Craig Heller, a physiologist ...

It's scary hearing your doctor say your arteries aren't in great shape. Years of eating fried foods and meals rich in butter and sugar have finally caught up to you, and now you're in the danger zone ...

Heart disease is still the No. 1 killer in the United States, but there may be a breakthrough in a major aspect of cardiovascular health: clogged arteries. The condition, known as coronary artery ...