Gastroenterology

Hydrogen peroxide keeps gut bacteria away from the colon lining

Scientists at UC Davis Health have discovered that an enzyme in the colon lining releases hydrogen peroxide (H2O2) - a known disinfecting compound- to protect the body from gut microbes. Their study, published Dec. 9 in the ...

Medical research

Changes in the diet affect epigenetics via the microbiota

You are what you eat, the old saying goes, but why is that so? Researchers have known for some time that diet affects the balance of microbes in our bodies, but how that translates into an effect on the host has not been ...

Oncology & Cancer

Common food additive promotes colon cancer in mice

Emulsifiers, which are added to most processed foods to aid texture and extend shelf life, can alter intestinal bacteria in a manner that promotes intestinal inflammation and colorectal cancer, according to a new study.

Medical research

Gut bacteria affect ageing

It loses its pigments, its motor skills and mental faculties decline, it gets cancer – the turquoise killifish (Nothobranchius furzeri) struggles with the same signs of old age that affect many other living creatures. Researchers ...

Psychology & Psychiatry

Anxiety might be alleviated by regulating gut bacteria

People who experience anxiety symptoms might be helped by taking steps to regulate the microorganisms in their gut using probiotic and non-probiotic food and supplements, suggests a review of studies published today in the ...

Parkinson's & Movement disorders

Parkinson's disease linked to microbiome

Caltech scientists have discovered for the first time a functional link between bacteria in the intestines and Parkinson's disease (PD). The researchers show that changes in the composition of gut bacterial populations—or ...

Medical research

Gut microbes may talk to the brain through cortisol

Gut microbes have been in the news a lot lately. Recent studies show they can influence human health, behavior, and certain neurological disorders, such as autism. But just how do they communicate with the brain? Results ...

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