Tag Archives: heart

Lead exposure and heart disease

When we think about the health effects of lead contamination, the biggest worry is for babies and young children. Lead, a heavy metal that is widespread in the environment, can harm developing brains. But growing evidence suggests that low levels of lead in the blood may also raise the risk of heart disease in adults.… Read More »

Tens of Thousands of Heart Patients May Not Need Open-Heart Surgery

ImageWith TAVR, the only incision is a small hole in the groin where a catheter is inserted. Traditional surgery involves cracking open the ribs and stopping the heart to insert the new valve.CreditJean-Paul Chassenet/Science Source The operation is a daring one: To replace a failing heart valve, cardiologists insert a mechanical replacement through a patient’s… Read More »