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A cysteine-rich diet may promote regeneration of the intestinal lining, study suggests: The findings may offer a new way to help heal tissue damage from radiation or chemotherapy treatment.

A diet rich in cysteine has rejuvenating effects in the small intestine, according to a new study. The amino acid can turn on an immune signaling pathway that helps stem cells regrow new intestinal tissue, which could help heal injuries from radiation or chemotherapy.

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