Psychology & Psychiatry

Vitamin A affects the heart, not just eyes and skin

Vitamin A is involved in many bodily processes, including vision and skin health, but its role in the heart is unclear. While vitamin A is critical for heart development of embryos—vitamin A deficiency during pregnancy ...

Cardiology

When exercise is unhealthy for the heart

Endurance exercise accelerates the development of heart problems in individuals with a particular genetic mutation, a new study in American Journal of Physiology—Heart and Circulatory Physiology reports.

Cardiology

Your finger's pulse holds the key to your heart's health

A University of Iowa physiologist has a new technique to measure the stiffness of the aorta, a common risk factor for heart disease. And it can be as simple as measuring the pulse in your finger.

Cardiology

Cold air chills heart's oxygen supply

People with heart disease may not be able to compensate for their bodies' higher demand for oxygen when inhaling cold air, according to Penn State researchers, making snow shoveling and other activities dangerous for some.