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29Jan

Oral Microbes Could Influence Your Risk of Cognitive Decline

Credit: PixabayThe bacteria in your mouth affect more than just your teeth and gums—they may also play a role in brain function. A study of 55 people with mild cognitive impairment (MCI) found that those with higher levels of Neisseria bacteria performed better on tests of working memory, executive function, and visual attention. Even...

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06Nov

Microbes Found Alive Sealed in Rock For 2 Billion Years

Green dye highlighting the DNA of microbes in a sample. (Suzuki et al., Microbial Ecology, 2024)Deep underground, a community of microbes has thrived in isolation for billions of years. These organisms, found in 2 billion-year-old rock, have been cut off far longer than any known subterranean microbes, surpassing the previous record of 100 million years.Geomicrobiologist...

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