Gut bacteria 'boost' cancer therapy

Bacteria living in the murky depths of the digestive system seem to influence whether tumours shrink during cancer therapy, say French and US researchers.
They tested the microbiome - the collection of microscopic species that live in us - in cancer patients.
Two studies, in the journal Science, linked specific species and the overall diversity of the microbiome to the effectiveness of immunotherapy drugs.
Experts said the results were fascinating and held a lot of promise.

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