Health

Chemical found in common sweetener damages DNA

A new study finds a chemical formed when we digest a widely used sweetener is "genotoxic," meaning it breaks up DNA. The chemical is also found in trace amounts in the sweetener itself, and the finding raises questions about ...

Oncology & Cancer

Gut microbiome changes linked to precancerous colon polyps

A new study by investigators from Mass General Brigham has linked certain types of gut bacteria to the development of precancerous colon polyps. Their results are published in Cell Host & Microbe.

Gerontology & Geriatrics

Viruses in the guts of centenarians may help them resist pathogens

New research suggests that centenarians—people who live to be at least 100—have a diverse collection of viruses in their gut that could help protect them from infectious diseases. The findings, published May 15 in Nature ...

Gastroenterology

Capsule captures first look inside digestion in healthy people

Using a specially designed capsule, researchers can now voyage through the digestive system, collecting new data about digestion and microorganisms. The work by a team including researchers at the University of California, ...

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