I've seen daily aspirin save lives from heart attack — and cause fatal bleeds. As a vascular surgeon, here's my honest take on heart health.

The answer isn't yes or no — it depends entirely on who you are.

In this video I break down the three groups you need to know:

✅ Who SHOULD take daily aspirin — if you've already had a heart attack, stroke, or stent, aspirin for secondary prevention of heart disease is still one of the most evidence-backed interventions we have.

❌ Who SHOULD NOT — the 2022 USPSTF guidelines quietly changed the recommendations for primary prevention. If you haven't had a cardiovascular event, daily aspirin may be doing more harm than good.

⚠️ The gray zone — two situations where the answer gets complicated: elevated coronary artery calcium (CAC) scores and high Lp(a) (lipoprotein a). Both raise your cardiovascular risk in ways the standard guidelines don't fully account for.

This is the conversation your doctor should be having with you — but often doesn't have time for.

I'm a vascular surgeon teaching the prevention side of medicine — the part most doctors don't have time to cover. Subscribe for more evidence-based answers on heart disease, metabolic health, and longevity.

Sign up for more information on my own practice here: https://corsighthealth.com/

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🧬 About Dr. Lily Johnston

Dr. Johnston is a double board-certified vascular and general surgeon in San Diego, specializing in metabolic and cardiovascular prevention. She’s the founder of CorSight Health and a passionate advocate for reimagining how medicine approaches chronic disease.

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