Cardiology

Can marathons temporarily hurt the heart?

(HealthDay)—The thousands of runners who will take part in the New York City Marathon on Sunday most likely believe they are strengthening their cardiovascular system by participating. But new research suggests the strain ...

Cardiology

FDA aims to change the way it monitors safety of defibrillators

Defibrillators are supposed to save lives by shocking a patient's heart back into a normal rhythm, but they have malfunctioned in about 45,000 cases since 2005, according to the Food and Drug Administration. So on Friday, ...

Cardiology

Radiation for breast cancer can harm hearts, study finds

Women treated with radiation for breast cancer are more likely to develop heart problems later, even with the lower doses used today, new research suggests. The risk comes from any amount of radiation, starts five years after ...

Cardiology

Studies tie stress from storms, war to heart risks

Stress does bad things to the heart. New studies have found higher rates of cardiac problems in veterans with post-traumatic stress disorder, New Orleans residents six years after Hurricane Katrina and Greeks struggling through ...

Medical research

New computer model to speed development of drugs for heart failure

(Medical Xpress)—Researchers at the University of Virginia have developed a new model of how the heart reacts to stresses such as high blood pressure, shedding light on a common cause of heart failure and facilitating the ...

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