Lab studies have shown that psychedelics like psilocybin can lower inflammation and may be protective for a range of illnesses. Now, researchers are publishing some of the first data in humans that signals this holds potential for patients with neurodegenerative diseases like Parkinson's disease.

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A group of international researchers is pushing to rigorously study the potential health benefits of sauna and other heat therapies. They hope to bring scientific legitimacy to the age-old practices.

(Image credit: Siv Dolmen for NPR)