Fibre

Your colon lining runs on a molecule your microbes make — and burning it maintains the conditions for making more.

Your colon lining runs on a molecule your microbes make — and burning it maintains the conditions for making more.

Acetate, propionate and butyrate are not variations on one theme. Where each one goes decides what it can do.

Acetate, propionate and butyrate are not variations on one theme. Where each one goes decides what it can do.

Three words used interchangeably that sit at three different points on the same pathway.

Three words used interchangeably that sit at three different points on the same pathway.

Energy without oxygen, why gas is a by-product rather than a fault, and the one variable that decides comfort.

Energy without oxygen, why gas is a by-product rather than a fault, and the one variable that decides comfort.

Not good bacteria and bad bacteria, but a workshop of specialists where one worker's output is the next one's raw material.

Not good bacteria and bad bacteria, but a workshop of specialists where one worker's output is the next one's raw material.

Four jobs, only one of which is disposal — and why the slowest organ in your gut is slow on purpose.

Four jobs, only one of which is disposal — and why the slowest organ in your gut is slow on purpose.