Healthy gut bugs mean a healthier brain in midlife

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US scientists say a heathy gut microbiome - the bacteria, fungi and other tiny organisms that call our guts home - in midlife is linked to better cognitive function. They looked at gut microbiome data from 597 people aged an average of 55 years who had completed cognitive tests. Those with higher numbers of friendly bacteria called Barnesiella and Lachnospiraceae performed best on the cognitive tests, while those with higher numbers of unfriendly Sutterella bacteria performed worst. The results add to a growing body of evidence that suggests our gut bugs play an important role on the health of our brains, the team says.

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From: JAMA

Association of Gut Microbiota With Cognitive Function in Midlife

What The Study Did: Researchers investigated the association of gut microbial composition with measures of cognition in nearly 600 middle-age adults.

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JAMA Network Open
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Organisation/s: University of North Carolina at Chapel Hill, USA
Funder: The Coronary Artery Risk Development in Young Adults Study (CARDIA) is supported by contract Nos. HHSN26820180003I, HHSN26820180004I, HHSN26820180005I, HHSN26820180006I, and HHSN26820180007I from the National Heart, Lung, and Blood Institute (NHLBI), the Intramural Research Program of the National Institute on Aging (NIA), and an intra-agency agreement between NIA and NHLBI (No. AG0005). Additional support for this work was provided by NHLBI grant No. K01-HL127159 and the University of North Carolina Nutrition Research Institute. CARDIA NHLBI contract funding supported the design and conduct of the CARDIA examinations, and the collection and management of CARDIA core examination data.
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