New research suggests that working out regularly may not be enough to counteract the harmful effects of prolonged sitting. A ...

Migraine attacks often ease up during pregnancy, but some women may experience them for the first time. Learn which ...

Most people probably would not connect asthma or seasonal allergies with their hearts. But researchers are finding signs of ...

Pulmonary arterial hypertension is caused by narrowing of the blood vessels in the lungs. Learn how it happens, including ...

Scientists at the Smidt Heart Institute at Cedars-Sinai have found a new way to help the heart heal after a heart attack—by ...