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Common food preservative linked to rising suicide deaths among young people

A widely available food-preservation chemical is emerging as a disturbing factor in rising UK suicide deaths, particularly among younger people and men. Researchers say the scale may be underestimated and are calling for urgent restrictions on access and harmful online information.

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More in Science

When gut microbes run low on fiber, they may start eating you

Gut microbes need something to eat, and when fiber is limited, they may begin consuming proteins from the mucus lining that protects the gut. Researchers found that fiber can suppress this process, while indigestible plant proteins help microbes produce more beneficial compounds.

  • Prif proteins enhance beneficial phenol metabolites while reducing harmful ones
  • Harmful phenols produced when gut bacteria break down host proteins
  • Fiber reduces bacterial breakdown of gut mucus lining

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