Bryan Johnson· Author
If you're not giving it the stimulus of weight bearing activity, whether that's walking, running, jogging, doing a squat, doing a deadlift, whatever it is, then you're not going to build bones.
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The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
If you're not giving it the stimulus of weight bearing activity, whether that's walking, running, jogging, doing a squat, doing a deadlift, whatever it is, then you're not going to build bones.
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When you say weight bearing exercise, Brian, I feel like we should like we should quantify that for people to some extent. Like so what does weightbearing mean? Like is cycling on a on a um on a bike is that considered weight bearing activity? The answer is no. It's not right. Like so you have to be doing things where there's an impact. Um and walking can be that.