Core Insights - US tech entrepreneur Bryan Johnson is experimenting with magic mushrooms as part of his longevity research, aiming to reverse biological age and enhance brain function [1][2] Group 1: Experiment Details - Johnson took a five-gram dose of magic mushrooms to study its potential effects on longevity and brain function, sharing his experience on social media [2] - He plans to take the psychedelic once a month for three months to assess its longevity effects, measuring biological markers such as DNA integrity and cellular aging [4] - During the session, his co-founder Kate Tolo documented the process as a "trip-sitter" on social media [4] Group 2: Personal Experience and Routine - Johnson reported feeling "so happy to be alive" during the trip, stating that life feels fresh and his mind is more nimble and curious [3] - He continues to follow a strict daily routine that includes early morning light exposure, nutritious meals, exercise, sauna sessions, and red-light therapy [3] Group 3: Background and Investment - Johnson, who gained wealth from selling his payment company to eBay, spends nearly $2 million annually on medical diagnostics and lifestyle interventions to slow aging [4] - His anti-aging protocol includes a precise diet, sleep schedule, and over 100 daily supplements, making him a controversial figure in wellness and tech communities [4][5]