Scientists could ‘reverse aging’ with poo transplants after mice age backwards

Scientists have discovered a potentially smelly cure for aging, after a 'fecal transplant' experiment 'rejuvenated' the memories and bodies of elderly mice.

Brain scientists transplanted poo from young mice into the guts of older mice, with some astonishing results.

After the old mice had a 'smoothie' of feces implanted into their guts through a tube, they showed some major improvements in their learning abilities, memory, and anxiety levels.

The study's lead author, John Cryan, called it a 'rewinding' 'rejuvenating' effect. His team plans to use their findings to investigate the relationship between the gut and the brain in future.

Ultimately, they want to work out if the procedure can reverse aging in humans too.

Dr. Cryan said: "If people can keep their cognitive function better for longer, if people are less sensitive to infections and less sensitive to immune effects, that would have a huge impact on their everyday quality of life."

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Neuroscientists believe that gut health could be the key to understanding many issues affecting the brain.

Millions of bacteria live inside the digestive system in a 'microbiome' and create hundreds of chemicals that help with everything from memory to learning ability.

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Researchers think it could even explain differences in life expectancy between different countries, such as the long lifespan of many people in the Mediterranean.

Fecal transplants are currently used by doctors to help treat gut issues such as ulcerative colitis, Crohn's disease, and even allergies.

But this study shows it could potentially be applied to help tackle mental health conditions associated with aging, such as dementia and Alzheimers.

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