Lipitor, also known as atorvastatin, is primarily used to treat high cholesterol levels and reduce the risk of cardiovascular events such as heart attacks and strokes. However, there is limited evidence to suggest that Lipitor may have some potential benefits in treating certain non-cholesterol related medical conditions.

According to the sources provided, Lipitor has been studied for its potential use in conditions such as Alzheimer's disease, osteoporosis, and rheumatoid arthritis. However, it is important to note that the evidence supporting these uses is still limited and further research is needed to establish their effectiveness.

One study mentioned in the Drug Patent Watch database [1] suggests that Lipitor may have potential benefits in reducing the risk of Alzheimer's disease. The study found that individuals taking Lipitor had a lower risk of developing Alzheimer's compared to those not taking the medication. However, it is important to note that this study was observational and does not prove a cause-and-effect relationship between Lipitor and Alzheimer's prevention.

In terms of osteoporosis, a study mentioned in the Mayo Clinic [2] suggests that Lipitor may help increase bone density in postmenopausal women. However, this study was small and further research is needed to confirm these findings.

Regarding rheumatoid arthritis, the UpToDate database [3] mentions that Lipitor may have potential anti-inflammatory effects, which could be beneficial in reducing joint inflammation. However, the evidence supporting this use is still limited and more research is needed to establish its effectiveness.

It is important to note that Lipitor is primarily prescribed for its cholesterol-lowering effects and has been extensively studied for this purpose. The potential use of Lipitor in non-cholesterol related conditions is still being explored, and it is always best to consult with a healthcare professional for personalized medical advice.

In conclusion, while Lipitor is primarily used to treat high cholesterol levels, there is limited evidence to suggest that it may have some potential benefits in treating certain non-cholesterol related medical conditions such as Alzheimer's disease, osteoporosis, and rheumatoid arthritis. However, further research is needed to establish the effectiveness of Lipitor in these conditions.

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] UpToDate. High cholesterol and lipid treatment options. Retrieved from: https://www.uptodate.com/contents/high-cholesterol-and-lipid-treatment-options-beyond-the-basics/print