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We are a teeming mass of interconnected microbes and the impact of this microscopic universe on our health, our minds, even our moods, is profound.

Made in collaboration with Wellcome Collection, Claudia Hammond and an expert panel explore one of the fastest moving areas of science and what it means for modern medicine.

Recorded in front of a live audience at Wellcome鈥檚 Reading Room in London, Claudia discovers how our microbes could be harnessed to improve our mental and physical health.

And along with the scientific insights, there are important answers to questions everybody wants to know the answer to, such as why some peoples鈥� 鈥渆missions鈥� smell so badly and how having a dog or cat enriches your microbiome.

On stage with Claudia are immunologist Professor Sheena Cruickshank from the University of Manchester, microbiologist Professor Glenn Gibson from the University of Reading and neuroscientist Professor John Cryan from University College Cork in Ireland.

Produced by: Fiona Hill and Elisabeth Tuohy
Studio Engineer: Bob Nettles and Emma Hearth

Image: Scanning electron micrograph (SEM) of bacteria cultured from a sample of human faeces.
Credit: Steve Gschmeissner/Science Photo Library/Getty Images