In a remarkable discovery, scientists have shown that restoring a youthful gut microbiome can reverse signs of liver aging in mice. Older mice given their own preserved “young” gut bacteria displayed reduced inflammation, lower DNA damage, and even avoided liver cancer.
The treatment also suppressed the activity of MDM2, a gene linked to tumor development, making the older mice biologically resemble younger ones.
These findings highlight the powerful connection between the gut and overall health, especially in aging. While still early-stage, this research suggests that microbiome-based therapies could one day help prevent age-related diseases and promote healthier, longer lives.
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