Intense workouts may be safe for heart patients: study

NEW YORK (Reuters Health) – Moderate levels of exercise are often prescribed for people recovering from a heart attack or heart surgery, but a new study finds that pumping up workouts to high intensity levels might be a safe option too. Among 4,800 Norwegian heart patients, who racked up a combined total of over 170,000 hours of aerobic exercise, researchers found three cardiac arrests occurred during workouts and only one was fatal. …