Articles on Peptides

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Health Canada states that unauthorized injectable peptides are illegal in Canada, have not been assessed for safety, efficacy or quality, and may contain too much, too little or none of the claimed ingredient. (Unsplash+/Karolina Grabowska)

The peptide problem: Hype is outrunning the evidence

Grey-market peptides are becoming mainstream, but evidence of their effectiveness is thin or non-existent.
@kaitlin_rios/TikTok, @tina.prime/TikTok, @bricesmithhh/TikTok, Canva, The Conversation

Injectable peptides are the new anti‑ageing trend. But what evidence do we have they’re safe for humans?

Once taboo, injecting is becoming normalised in the beauty industry and on social media. But what do peptide serums actually contain? And do the anti-ageing claims stack up?
Water microdroplets provide a unique interface that can significantly speed up chemical reactions. Marianna Armata/Moment via Getty Images

Water was both essential and a barrier to early life on Earth – microdroplets are one potential solution to this paradox

The chemical reaction that forms essential biomolecules like proteins and DNA normally doesn’t occur in the presence of water. Microdroplets provide a unique environment that make it possible.

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