Old Mice Grow Young Again In Study. Can People Do The Same?

LONDON - APRIL 04:  A 90 year old Pensioners clasps her hands together during a group exercise in a day care centre on April 4, 2006 in London England. The State Pension Commission today defended it's proposal of an age rise for when the pension can be taken, from 65 to 68 by the year 2050.  (Photo by Daniel Berehulak/Getty Images)

At a glance

  •  In Boston labs, old, blind mice have regained their eyesight, developed smarter, younger brains and built healthier muscle and kidney tissue. On the flip side, young mice have prematurely aged, with devastating results to nearly every tissue in their bodies.
  • Our bodies hold a backup copy of our youth that can be triggered to regenerate, said Sinclair, the senior author of a new paper showcasing the work of his lab and international scientists.

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