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Does collagen hold the key to the Fountain of Youth?

Photo by Cynthia Hochswender

In old movies you often see an older person who is desperately and obsessively seeking the Fountain of Youth, which they hope to find through injections of sheep placenta at a clinic in Switzerland or something. I always thought that was ridiculous and distasteful until I started to notice crepe-y skin on my hands and arms.

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