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This artificial joining of two separate animals, cheap jordans , known as parabiosis, was a staple of physiology experiments for over a century before Irina Conboy got the idea to pair an old mouse with a young one. Conboy, cheap real jordans , a stem cell researcher at the University of California, cheap retro jordans , Berkeley, http://cheapjordansstock.com , made headlines with her experiments. Story continues below graphs Odd couples Scientists sewed together mice so that the rodents shared blood supplies. Young mice paired with old mice (left chart, cheap Authentic jordans , two-toned) made fewer new cells in the brain’s hippocampus than when paired with another young mouse (yellow). Old mice made hundreds more new brain cells when paired with a young mouse (right chart, cheap air jordans , two-toned) than when paired with an old mouse (teal).  Source: S. Villeda et al/Nature 2011 Those headlines focused on the good news: Young blood rejuvenated old mice. In further studies by other researchers, cheap jordans online , infusions of young blood made broken bones in old mice heal better (SN Online: 5/19/15), cheap jordan shoes , gave their muscles extra spring and improved their memories (SN: 5/31/14, p. 8). Apparently some substances in the blood triggered the rejuvenation. Some candidates for those rejuvenation factors have been identified, although none are universally agreed on. http://www.empirejunkies.com/New-thread.html http://siemprelucenacf...p;view=article&id=115 http://www.prostroy.by/search/node/ |