Post From peterattiamd.com
Whether from grade school health class, decades of television PSAs, or my own oft-repeated refrains on the topic, anyone reading this will be well aware of the conventional wisdom that exercise reduces risk of heart disease. So when a study this year reported that longer durations of physical activity were associated with increased coronary artery calcification (CAC, a marker of atherosclerotic plaques),1 you can imagine the flurry of questions and concerns that followed. But as is so often the case, these findings are less than they might…