Andrew Huberman· PhD
If you look over the population, the size of the effect is around 20%. It's very substantial. Okay. But the our ability to improve visual function varies enormously between individuals.
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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 look over the population, the size of the effect is around 20%. It's very substantial. Okay. But the our ability to improve visual function varies enormously between individuals.
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We then gave them a burst of red light to improve their mitochondria in cells that are very mitochondrial dependent. And we then brought them back and we found the threshold had changed. The threshold had improved in every one of those subjects by one.
And the real big point to take on board is it's a switch. There's not a dose response curve here. It is a you put enough energy in at a certain wavelength of light and it goes bang and click and then 5 days later goes chunk and stops.