reposted from: http://www.nhs.uk/news/2016/09September/Pages/Statins-safe-effective-and-should-be-used-more-widely.aspx
"Large-scale evidence from randomised trials shows that statin therapy reduces
the risk of major vascular events (ie, coronary deaths or myocardial infarctions, strokes, and coronary revascularisation procedures) by about one-quarter for each mmol/L reduction in LDL cholesterol during each year (after the first) that
it continues to be taken." Source: http://www.thelancet.com/pdfs/journals/lancet/PIIS0140-6736(16)31357-5.pdf