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The Science Behind Vampires: How Blood May Keep You Young.
Via Flickr user Jason Hargrove

[DIGEST: Stanford Medicine News, The Guardian]

By year’s end, we may learn whether injecting old people with blood from young people can improve their memory and even reduce the symptoms of Alzheimer’s disease. Last year, the Stanford Medicine New Center reported that a team of medical researchers, led by neurologist Dr. Tony Wyss-Coray, infused old mice with blood plasma from younger mice and then examined the subsequent behavior of the old mice and any ensuing changes in their brain structure. After the “young blood” infusion, the older mice showed marked improvement in both learning and memory tests, and a detailed analysis of their brain structure showed changes in the hippocampus--the area of the brain responsible for memory--that suggested improved activity and nerve regeneration.

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