looks like so you know the years of haagen-dazs and peanut butter and potato chips you can see that the remnants here have wound up in the carotid artery and what's this red thing boycott yeah so that's the platelets that have formed this clot and it's really a combination of the cholesterol plaque and the clot that's causing the trouble so how to prevent a stroke we're going to control the treatable risk factors high blood pressure being the most important diabetes smoking and cholesterol exercise you're going to