USA TODAY: Young blood may hold key to reversing aging

From USA TODAY

Young blood may hold key to reversing aging

The fountain of youth may exist — at least for mice. Researchers from Harvard and Stanford universities published three studies today showing that substances in the blood of young mice rejuvenate the muscles and brains of older ones. A previous Harvard study suggests the same happens to their hearts. “Their fur looks better, they groom better, they seem to do overall better,” said Tony Wyss-Coray, the lead scientist on the Stanford study, to be published in the journal Nature Medicine. “To us it’s just so surprising, that something so simple has dramatic effects on every tissue in the body that’s been looked at.” Whether the same process will work in people remains a mystery, but the researchers are curious and hopeful.

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