That might lead to better and easier treatments for brain diseases.
- Cassandra Willyard
- nature
In 2006, soon after she launched her own laboratory, neuroscientist Jane Foster discovered something she felt sure would set her field abuzz.
She and her team were working with two groups of mice: one with a healthy selection of microorganisms in their guts, and one that lacked a microbiome.
They noticed that the mice without gut bacteria seemed less anxious than their healthy equivalents.
When placed in a maze with some open paths and…