Statins reduce the risk of heart attack and stroke
Lowering LDL cholesterol with statins reduces major vascular events by about a fifth for each 1 mmol/L reduction, across a wide range of baseline risk.
AI review of the sources below, no human approval · Reviewed
This verdict was generated by AI from the papers listed on this page and published without human sign-off. AI can misread or miss studies — check the sources yourself. Not medical advice.
What the research says
The Cholesterol Treatment Trialists' collaboration pooled individual data from 27 randomised trials covering more than 170,000 participants and found a 21% proportional reduction in major vascular events per 1 mmol/L LDL reduction, sustained year on year. Absolute benefit depends on baseline risk, which is why guidelines target treatment by risk rather than cholesterol level alone.
Caveats
- Muscle symptoms are commonly reported, but blinded trials show most are not caused by the drug itself.
- Absolute benefit is small for people at very low cardiovascular risk.
Evidence
- Meta-analysisThe Lancet (Cholesterol Treatment Trialists' Collaboration)·2015
Efficacy and safety of LDL-lowering therapy among men and women
21% reduction in major vascular events per 1 mmol/L LDL cholesterol reduction.
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This page summarises published research for general information. It is not medical advice — talk to a clinician about your own situation.