Young blood transfusions are probably not the best way to reverse aging

Sorry, Peter Thiel, young blood may not be the key to reversing aging. A study from the same team that tantalized us with promises of youth (provided we can take the blood of youths) now suggests that old blood hurts health more than young blood helps. We may be better off trying to figure out how to fix the blood we have instead of looking for fresh new sources.Thiel, the Silicon Valley billionaire now on Donald Trump’s transition team, garnered attention (and accusations of vampirism) fo