You’ll recall that when the enzyme known as mTOR is inhibited, it forces cells to spend less energy dividing and more energy in the process of autophagy, which recycles damaged and misfolded proteins. That act of hunkering down ends up being good for prolonged vitality in every organism we’ve studied. What we’re coming to learn is that mTOR isn’t impacted only by caloric restriction.23 If you want to keep mTOR from being activated too much or too often, limiting your intake of amino acids is a good way to start, so inhibiting this particular longevity gene is really as simple as limiting your
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