Regeneration: Getting Closer to Growing Lost Organs

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Too many folks die, waiting for a compatible donor organ. We can't coax a patient's body into growing a new heart or kidney: yet.

But we can build made-to-order bladders, and scientists have grown a new thymus: inside a mouse. It's a first step....

...If starfish and some mice can regenerate complete missing parts: why can't we?

Right now, we don't know. Not for sure. It probably has something to do with our immune system, and the way our bodies deal with injury....

More at A Catholic Citizen in America.

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