During my experiment, I was not aware of any possible negative side effects. Some skeptics point to a “study” that suggested oil pulling can lead to lipoid pneumonia . In fact, this was not a study, it was a correspondence; ., a letter, to The International Journal of Tuberculosis and Lung Disease discussing the experience of a single patient. It appears that a 56-year-old Korean woman had aspirated (inhaled) the oil, rich in bacteria, into her lungs, causing four successive lipoid pneumonias. Ceasing oil pulling resulted in no further bouts of pneumonia. This is an isolated incident with a patient who appears to have had difficulty not inhaling the oil.
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