Lipitor, also known as atorvastatin, is a medication used to lower cholesterol levels and reduce the risk of heart disease [1]. There is no direct evidence to suggest that Lipitor can affect yoga breathing techniques. However, Lipitor can cause muscle pain and weakness as a side effect [1]. These side effects can potentially affect the ability to perform yoga poses and breathing techniques that require muscular strength and endurance.

Yoga is a physical practice that involves various postures and breathing techniques. According to a study published in Reuters, gentle yoga can help reduce the frequency and intensity of migraines [2]. Deep breathing is a fundamental aspect of yoga and has been shown to have numerous health benefits, such as reducing stress, improving lung function, and lowering blood pressure [3].

In conclusion, while there is no direct evidence to suggest that Lipitor can affect yoga breathing techniques, the medication's potential side effects of muscle pain and weakness can impact the ability to perform yoga poses and breathing techniques. However, yoga, including deep breathing, has been shown to have numerous health benefits, including reducing the frequency and intensity of migraines [2] and improving lung function [3].

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.reuters.com/article/health-yoga-migraine-dc/gentle-yoga-may-aid-migraine-sufferers-idUKCOL66234620070516
[3] https://www.everydayhealth.com/wellness/possible-health-benefits-of-deep-breathing/