1:02 Keeping beneficial bacteria safe The microbiome protects beneficial gut bacteria from toxic substances in our diet.
7:03 Meddling with the microbiome A dose of antibiotics early in life may increase the risk of type 1 diabetes.
19:20 Pirates of the gut Some bacteria are able to steal vitamin B12 from us as it passes through the small intestine.
25:33 Pecking order The order in which we acquire bacteria early in life affects the composition our gut microbiome as adults.