Microbe types in older people’s intestines are different and are linked to disease
A study has found that aging itself is associated with microbiome changes, and that these alterations are distinct from those connected to diseases or medication use. The findings raise the possibility that shifts in gut bacteria help drive the aging process - and that protecting these microbes could help people lead longer, healthier lives.
Overall bacteria diversity also declined as people got older... Studies have found a relationship between low bacterial diversity and Crohn’s disease, irritable bowel syndrome and colorectal cancer, among other conditions.
From here
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