Medical research

Sewage provides insight into human microbiome

A new study demonstrates that sewage is an effective means to sample the fecal bacteria from millions of people. Researchers say the information gleaned from the work provides a unique opportunity to monitor, through gut ...

Medical research

Among gut microbes, strains, not just species, matter

A large community of microorganisms calls the human digestive tract home. This dynamic conglomerate of microscopic life forms - the gut microbiome - is vital to how people metabolize various nutrients in their food, how their ...

Medical research

Mounting research tightens gut microbial connection with the brain

The trillions of microbes that inhabit the human body, collectively called the microbiome, are estimated to weigh two to six pounds—up to twice the weight of the average human brain. Most of them live in the gut and intestines, ...

Medical research

Monitoring the rise and fall of the microbiome

Trillions of bacteria live in each person's digestive tract. Scientists believe that some of these bacteria help digest food and stave off harmful infections, but their role in human health is not well understood.

Medical research

Nourishing health in early life

As a newborn takes its first breath, microbes that line the mother's birth canal are already making their way into the infant's gut. And with the baby's first taste of breast milk, many more will settle in. This process of ...

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