A new study explains how pancreatic tumors use a sugar coating to hide from the immune system and shows that a newly ...

As the immune system weakens with age, scientists have found a way to restore some of its lost strength. By delivering mRNA ...

University of Pennsylvania researchers have found a promising new treatment for periodontitis using a component of the immune system called complement, according to a new study in the Journal of ...

Researchers at MIT have unveiled a way to coax an aging immune system into acting young again, using the same kind of mRNA ...

During the recent Covid-19 pandemic, the rate of serious illness and death was jarringly high in older populations. Why? Weakening immune systems — as we age, we become more vulnerable to infections, ...

Changes to serum proteins could be behind the debilitating condition known as long COVID. The findings, published in the journal Science, could pave the way for diagnosing and treating the disease.

Vitamins like C, D, E, and B6 may help kill harmful microbes and increase your body's ability to fight off infections.

Our immune systems prevent and limit infections. They are a complex set of organs, cells, tissues and proteins that work together to protect our bodies from harmful invaders such as bacteria, viruses, ...