Health Elderly have Same Gut Microbes as Healthy 30 Year Olds

A new study published in the journal Sphere showed that the overall microbiota composition of the healthy elderly population was similar to that of healthy people in their 30’s and the gut microbiota differed little between individuals from the age of 30 to over 100.  The study was carried out between Western University, Lawson Health Research Institute and Tianyi Health Science Institute in Zhenjiang Jiangsu, China and studied gut bacteria in a cohort of more than 1,000 Chinese people in ages ranging from 3 to over 100 years who were self selected to be extremely healthy with no known health issues or family disease.  The results showed a direct correlation between health and the microbes in the intestine. Authors concluded that if you are extremely healthy and 90 years old, your gut microbiota is not that different from a healthy 30 year old in the same population. Although researchers did not know if this is a cause or effect, the study pointed out that it is the diversity of the gut microbiota that remains the same in their study. They concluded that “this demonstrates that maintaining diversity of your gut as you age is a biomarker of healthy aging, just like the low-cholesterol is a biomarker of a healthy circulatory system,  ……suggest that resetting an elderly microbiota to that of a 30-year-old might help promote health.

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