A software entrepreneur who is spending millions to “bio-hack” his body and reverse the aging process shared how one treatment — injecting fat from a donor into his face — went horribly wrong. The fat ...

Bryan Johnson says using donor fat to increase volume in his face for a youthful look caused a “severe allergic reaction” Bryan Johnson shared the allergic reaction he had after having fat from a ...

Bryan Johnson says using donor fat to increase volume in his face for a youthful look caused a “severe allergic reaction” A software entrepreneur who is spending millions to “bio-hack” his body and ...

Bryan Johnson says using donor fat to increase volume in his face for a youthful look caused a “severe allergic reaction” Cara Lynn Shultz is a writer-reporter at PEOPLE. Her work has previously ...