Trillions of bacteria live symbiotically with the human host.
The trillions of microbes that live in and on our bodies have a significant impact on most aspects of our health, and hundreds of scientists with different areas of expertise are currently studying how this microbiome (microbes and their genes) affects both our mental and physical well-being.
Four of the top researchers in the field spoke about the human microbiome at The Museum of Science this year, and below is a video from this event.
