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Friday, November 21, 2025

Microbes in mouth reflect lifestyle choices

According to a new study, the composition of beneficial microorganisms within the mouth differs over a range of subsistence strategies -- from nomadic hunter gatherers to farmers to industrialized groups.

Read more …Microbes in mouth reflect lifestyle choices

Ancient immune defense system plays an unexpected role in cancer

Along with defending against pathogens, the body's innate immune system helps to protect the stability of our genomes in unexpected ways -- ways that have important implications for the development of cancer, researchers are discovering.

Read more …Ancient immune defense system plays an unexpected role in cancer

An extra year of education does not protect against brain aging, study finds

Thanks to a 'natural experiment' involving 30,000 people, researchers were able to determine very precisely what an extra year of education does to the brain in the long term. To their surprise, they found no effect on brain structure and no protective benefit of additional education against brain aging.

Read more …An extra year of education does not protect against brain aging, study finds

How are the vaping rules changing?

A young woman vaping

Marketing rules will be stricter, nicotine vapes will be taxed and disposable vapes will be banned....

Read more https://www.bbc.co.uk/news/health-66784967

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