Double duty: Gut's immune system helps regulate food processing, too

The small intestine is ground zero for survival of animals. It is responsible for absorbing the nutrients crucial to life and it wards off toxic chemicals and life-threatening bacteria. Researchers report the critical role played by the gut's immune system in these key processes. The immune system, they found, not only defends against pathogens but regulates which nutrients are taken in.

from Latest Science News -- ScienceDaily https://www.sciencedaily.com/releases/2021/03/210318142449.htm