Influencers are obsessed with peptides. What does the science say?

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  Hey, Science Quickly fans, Rachel here.

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  If you love our show, I want to tell you about another podcast you should definitely be listening to, Science Friday.

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  Science Friday and Science Quickly definitely share a lot of podcast DNA,

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  mostly because Science Friday was the first science show I ever listened to.

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  So give Science Friday a listen wherever you get your podcasts.

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  For Scientific American Science Quickly, I'm Rachel Feltman.

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  Today we're doing a deep dive on an extremely hot topic, peptides.

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  Hype around these basic chemical building blocks has infiltrated social media feeds and congressional hearings alike.

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  To hear some folks tell it, various peptides can be used to solve just about any problem a human body could have.

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