HealthBlood protein rejuvenates brain and muscle in old mice Injecting a blood protein called GDF11 reverses the damage caused by ageing in mice. And there are hopes a similar technique could work for Alzheimer's disease 51¶¯Âþ
Science in controversial stem cell papers may be sound Amid calls to retract papers describing a new type of stem cell, one of the authors says the findings are too significant to be dismissed 51¶¯Âþ