I am sure you have heard that there are tons (OK, 60 million or so) of people taking aspirin every day to make sure they don’t get a heart attack. (No, I am not among them- I am allergic to aspirin.) The aspirin regimen exists because we know that aspirin makes platelets less “sticky”, less prone to clump together, which is what a blood clot is. (And, that means a stroke or a heart attack can be imminent.) But, up until recently, we did not know why some folks got heart attacks and others didn’t- even though they were both taking aspirin- some number less than 30% of those who take the pills are so affected. Until now.
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