Researchers generate cutting-edge mouse models by engrafting human cells and tissue into the animals to better study the human immune system. Scientists have employed mouse models in immunological ...

The idea of turning back the clock on the immune system has moved from science fiction to a concrete experimental strategy. A ...

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, ...

Feel your best with these immunity-boosting habits.

Your immune system could weigh 1 to 1.2 kilograms and contain 1.8 trillion cells. “The immune system is a complex system comprising many different cell types with essential functions,” says Ron Milo ...

Antibodies, which recognize viruses and proteins that the body has encountered before, have long gotten most of the credit for giving the human immune system a memory. Now, researchers at the ...

Tuberculosis, caused by the bacterium Mycobacterium tuberculosis (Mtb) kills upwards of 1.6 million people a year, making it one of the leading causes of death by an infectious agent worldwide -- and ...

Pancreatic cancer uses a sugar-coated disguise to evade the immune system, helping explain why it’s so hard to treat.

Your immune system is like an incredibly sophisticated security team, constantly patrolling your body for threats and neutralizing them before they can cause harm. When it’s working properly, this ...