I'm mid-twenties. Does it make sense to take a low-dose aspirin?
No it does not. Aspirin reduces the risk of heart attacks and strokes but also causes adverse outcomes - most importantly by raising the risk of gastro-intestinal bleeds. For the typical person in their mid twenties the risk of a heart attack or stroke is so low that the benefit of aspirin will be almost nil, the absolute value of intervening will be vanishingly small even though the proportional decrease in risk stays the same.
There are many possible effects of taking low dose aspirin other than those described so far - it may reduce the risk of colon can...
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