> Why not mention things like that along with all the optimism? He does mention things like that. For one, he posted a link to this article: https://twitter.co

> Why not mention things like that along with all the optimism? He does mention things like that. For one, he posted a link to this article: https://twitter.com/bryan_johnson/status/1721578475759239658?s=20 https://twitter.com/bryan_johnson/status/1721578475759239658.... He's also made a number of posts, often as replies to people asking the same sort of question that you are, pointing out that 95% of longevity is the simple things we're aware of (diet, exercise, etc.) and that he's just testing out all the other stuff because he can/he's interested/it's a worthwhile investment of time and money for him to get that last 5%.