"statins would help 1 of 100 individuals to experience 1 fewer heart attack, meaning the drugs benefit 1% of the population. According to the study authors, statin advocates use this “absolute risk” statistic to produce another statistic for “relative risk,” which creates that appearance that statins can benefit 30% to 50% of the population. "
Expert Review of Clinical Pharmacology
"Statins and other high cholesterol busters may impair memory by lowering cholesterol levels in the brain as well as in the blood. Lipids in the blood are essential in the formation of connections between nerve cells, which underlie memory and learning.
In 2012, the FDA
modified the labels for statins to reflect their increased risk for memory problems."