Depressed Metabolism

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At the blog Fight Aging!, Reason draws attention to the possibility that taking large amounts of antioxidant supplements may not necessarily be an improvement:

Our biology is complex – why would we expect that successfully modifying it with chemicals would be as simple as eating those chemicals? Ingesting antioxidants in the hope of benefit because they [...]

An important objective during stabilization of cryonics patients is restoring circulation of blood to the brain. In ideal cases, this can be achieved by aggressive mechanical cardiopulmonary support, hemodilution ,and administration of vasoactive medications. In not-so-ideal cases, one or more of these interventions are omitted or delayed. This raises the question if low flow perfusion [...]