Blood of world's oldest woman hints at limits of life
This part caught my interest:
  "Holstege says the results raise the possibility of rejuvenating ageing bodies with re-injections of stem cells saved from birth or early life. These stem cells would be substantially free of mutations and have full-length telomeres."Makes me wonder if I should take a blood sample now (age 26) and have it frozen on the off chance that it would be of use later in life.  Basically a hedge against, 50 years from now, "well we have the amazing rejuvenation technology that can replenish the fresh blood cells, but only if we have a sample of 'young' blood.  Sorry everyone aged 60+."