Running a marathon halts cellular suicide

Apoptosis, the natural 'programmed' death of cells, is arrested in the aftermath of strenuous exercise. Researchers writing in the open access journal BMC Physiology studied peripheral blood mononuclear cells (PBMCs), isolated from whole blood samples taken from people after finishing a marathon, finding that the balance between expression of pro- and anti-apoptotic genes is shifted after the race.

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