Lipitor, also known as atorvastatin, is a commonly prescribed medication for the treatment of high cholesterol levels. However, it is unclear whether Lipitor impacts lung capacity.

A study published in the Journal of Clinical Lipidology [3] investigated the effects of atorvastatin on lung function in patients with dyslipidemia (abnormal cholesterol levels). The study found that atorvastatin did not significantly affect lung function in these patients.

Another study published in the Journal of Cardiovascular Pharmacology [2] investigated the effects of atorvastatin on lung function in rats with chronic obstructive pulmonary disease (COPD). The study found that atorvastatin improved lung function in these rats.

While these studies suggest that atorvastatin may not have a negative impact on lung function, it is important to note that they were conducted in specific populations and may not be generalizable to all individuals. Additionally, other factors such as smoking and pre-existing lung conditions may impact lung function independent of atorvastatin use.

In conclusion, the available evidence suggests that atorvastatin may not significantly impact lung function in certain populations. However, further research is needed to fully understand the potential effects of atorvastatin on lung function. Individuals concerned about their lung function should consult with their healthcare provider.

Sources:
[2] https://pubmed.ncbi.nlm.nih.gov/18757458/
[3] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7679442/