The experiments with metformin are only the first evidence that research into biological mechanisms can improve or even reduce the signs of aging. “The microbiome, especially in the intestine, is increasingly recognized as a modulator for the health of its host, especially in the context of aging,” says Kaleta. “If we understand the microbial communities in the human body, we can also better understand the pathomechanisms of human diseases – and use the microbiome to treat them.”
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