Andrew Huberman· PhD
it turns out insulin does stuff by itself and it turns out insulin drives growth
The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
it turns out insulin does stuff by itself and it turns out insulin drives growth
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So during development, insulin is an anabolic molecule. In a mature adult, it no longer, except under certain situations, drives growth. It will continue to drive growth of fat cells. It can also facilitate growth of muscle.