The gut microbiome and immune system work closely together. However, as people age, the composition and balance of microorganisms in the gut changes, with fewer beneficial bacteria.

But how do gut bacteria do this? One answer involves the immune system. Various studies have been slowly unraveling the complex relationship between gut bacteria and immunity.

"The immune system has invested heavily in the dura mater," said Dr. McGavern. ... The gut trains the immune system to protect the brain. NIH/National Institute of Neurological Disorders and Stroke.

While ultra-processed foods are already tied to various health problems, emerging research suggests they could seriously harm ...

Your gut does a lot more than digest food — it affects your immune system, mental health, skin, and overall energy levels.

Gut microbiome regulates the intestinal immune system. ScienceDaily . Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2018 / 12 / 181218123123.htm ...

Gut microbiome directs the immune system to fight cancer Date: April 2, 2019 Source: Sanford Burnham Prebys Medical Discovery Institute Summary: Researchers have demonstrated a causal link between ...

The gut is able to alter the brain chemistry via neuronal pathways and through messengers of the immune system, called cytokines – and these messengers depend on the state of the gut microbiota.

Instead, the bacteria releases little sacs that are they taken up by the immune system; they contain bacterial molecules called OMVs that appear to boost the immune system. The researchers found that ...

A team of scientists from DTU and other European universities have uncovered an overlooked mechanism in the gut immune system of patients suffering from severe cases of Crohn's disease. The ...

The gut represents one of the biggest interfaces between the inside of our bodies and our environment. It makes sense that our immune system has set up its largest base of operations in this location.

Human Immune System: The gut microbiome - the population of microorganisms that lives in the gastrointestinal tract - helps the body maintain a stable internal environment when it is faced with ...