Doctors gave Anika a barium enema to get a good look at her intestines.

CNN: Desperate breast-feeding moms reveal secrets

Dr Mellow has found that treating patients with an enema containing faeces from a healthy individual often does the trick.

ECONOMIST: The human microbiome

But recent experiments have shown it can be eliminated by introducing, as an enema, the faeces of a healthy individual.

ECONOMIST: Modern medicine