14 feb. 2018

Cellular DNA Activity May Increase in the Days Following Death


The clinical definition of physical death occurs when an individual's heart stops beating and brain stops functioning, but what about other biological functions that still carry on after these two admittedly important processes cease? Medical science has long assumed that neurons degrade quickly after their supply of oxygen and nutrients are cut off, but a recent study on post-mortem cellular processes has upended these traditional notions of how long the body's cellular processes continue after death, showing that some types of cells can be not only alive for days afterward, but some are also more active than when the individual was still alive and kicking.

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