Emerging studies suggest the gut microbiome may predict how well you age. The world’s oldest person offers scientists new clues into the secrets of healthy aging and protection against the diseases that often plague the final years of life.

This Halloween, we’re celebrating some microbes that sound scary but play a vital role in keeping us healthy. Behind their ghostly names lie fascinating stories of cooperation, balance, and invisible teamwork inside our gut.

Emerging studies support the relationship between the human gut microbiome and organ function outside the gut. Find out more about the knowns and unknowns on how the gut communicates with other parts of the body, involving the gut, the brain, the lungs, the skin, and even the heart, and why it matters to your health.

Fiber and cancer prevention: what science says

26 Feb 2025

by Cristina Sáez

A new study reveals that consuming fiber-rich foods can play a crucial role in cancer prevention. The research shows that some products of fiber digestion by gut microbiota, such as butyrate and propionate, can alter gene expression and exert anti-tumor effects. These findings highlight the importance of including whole grains, vegetables, fruits, legumes, and nuts in our daily diet to support long-term health.

Writing in Nature Reviews Microbiology, a group of scientists updates the healthy human microbiome concept by combining independent measures of both the host and the microbial community health, and proposes a framework for discovering health and disease-associated microbial signatures in diverse populations.

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