“Come watch me trip balls,” declared Bryan Johnson , the “Don’t Die” longevity entrepreneur, on X a couple of days before he livestreamed himself consuming a high dose of psychedelic mushrooms at a psilocybin center in Oregon on Sunday .

It marked the second act of his stunty new investigation into whether using psilocybin can improve almost 250 wellness biomarkers , including various measures of brain connectivity, cortisol levels, and testosterone.

“There’s a potential for psychedelics to play a more important role in all of our lives, and wouldn’t it be amazing if it was also a longevity therapy,” Johnson proclaimed on the stream. Prior to consuming the shrooms Sunday—which has been legal at licensed facilities in Oregon since 2023—Johnson measured his brain activity with a

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