Metformin promotes longevity through production of free radicals. More evidence that oxidative stress is good for you http://m.pnas.org/content/early/2014/05/29/1321776111.abstract …
@Mangan150 Must be hormetic. Excessive oxidative stress is probably very detrimental.
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@i_contemplate_ Yes I think you're right.Thanks. Twitter will use this to make your timeline better. UndoUndo
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