Lipitor, also known as atorvastatin, is a medication used to lower cholesterol levels in the body [1]. While it is effective in reducing cholesterol, it may also have side effects, including memory loss and confusion [2]. In 2012, the FDA issued a safety communication about the potential risk of cognitive side effects associated with statins, including Lipitor [3]. However, there is no evidence to suggest that reducing the dosage of Lipitor can improve memory. It is important to consult with a healthcare provider before making any changes to medication dosage or regimen.

Sources:
[1] Drug Patent Watch. Lipitor. Retrieved from https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] Mayo Clinic. Statin side effects: Weigh the benefits and risks. Retrieved from https://www.mayoclinic.org/diseases-conditions/high-blood-cholesterol/in-depth/statin-side-effects/art-20046013
[3] FDA. FDA Drug Safety Communication: Important safety label changes to cholesterol-lowering statin drugs. Retrieved from https://www.fda.gov/drugs/drug-safety-and-availability/fda-drug-safety-communication-important-safety-label-changes-cholesterol-lowering-statin-drugs