“If you think of the heart as a pump, it has to work harder to circulate blood when the resistance in your blood vessels is greater,” says Dr. Cassano.
KATIE CHARLES, New York Daily: Living
Sat, 07/26/2014 - 11:00pm
“If you think of the heart as a pump, it has to work harder to circulate blood when the resistance in your blood vessels is greater,” says Dr. Cassano.