Live bacteria from the digestive system can travel directly into the brain when the intestinal barrier is weakened. This ...

Researchers at the Francis Crick Institute have shown how the bacteria causing tuberculosis (TB) directly cross the brain's protective barrier, causing meningitis, a very severe form of the disease ...

Expelling toxic “forever chemicals” from the body may take guts — or at least, their microbes. Some microbes found in the human gut can absorb some per- and polyfluoroalkyl substances, or PFAS, ...