Statins are a very well-researched drug. It is proven through numerous studies that by reducing your cholesterol levels, statins are able to reduce your risk of heart disease and stroke.[ Naci H, et al. Comparative benefits of statins in primary and secondary prevention of major coronary events and all-cause mortality: a network meta-analysis of placebo-controlled and active-comparator trials. Eur J Prev Cardiol. 2013;20(4):641–657.]