Probiotic bacteria evolve inside mice's GI tracts

Probiotics—which are living bacteria taken to promote digestive health—can evolve once inside the body and have the potential to become less effective and sometimes even harmful, according to a new study from Washington ...

Mix and match microbes to make probiotics last

Scientists have tried to alter the human gut microbiota to improve health by introducing beneficial probiotic bacteria. Yet commercially available probiotics do not establish themselves in the gut. A study published September ...

A village of bacteria to help frogs fight disease

The naturally occurring bacteria on a frog's skin could be the most important tool for helping the animal fight off a deadly skin disease, according to an experiment conducted by Virginia Tech researchers.

80 million bacteria sealed with a kiss

As many as 80 million bacteria are transferred during a 10 second kiss, according to research published in the open access journal Microbiome. The study also found that partners who kiss each other at least nine times a day ...

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