Bryan Johnson's longevity protocol skips popular interventions like ice baths, saunas, and hyperbaric therapy because they don't directly slow aging. His team includes only what measurably serves their specific goal, not what's trendy.
Chapters
One of the things that I haven't heard you talk about is heat and cold exposure. This is the current most popular pro science approach for a longevity routine. Are you using ice baths? Are you using sauna exposure? Do you consider it a hormesis stressor? Have you tested with it? We kind of don't do anything that's popular right now. We've looked pretty carefully at cold and hot exposure. We've looked at hyperbaric. And it's not to say that these things don't have benefit. It's not to is that they don't have benefit in the ways where we have objectives. And so, I mean, there's an unlimited number of things I can do in a given day that would potentially be useful to me. But we have an extremely specific goal of slowing my speed of aging. And when you have that narrow of a goal, it just creates a really clean workspace to say does this thing have inclusion or does it not? And so no, we don't do any colder heat exposure.