A single blood protein can make aging stem cells act young again. As people age and notice changes like graying hair or reduced muscle strength, their immune system also undergoes shifts. One key ...

Find out how vitamin C and vitamin D function in your body, their role in immune defense, and how much you may need for optimal support.

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 ...

You might know your immune system as the built-in, around-the-clock surveillance system primed to keep nasty germs out and swiftly kick to the curb any that do manage to sneak in. It’s a system primed ...

Recent studies have shown that even if you feel healthy and fit, your immune system could be aging quicker than you think, which could increase the risk of infections and immune-related disorders.

From vitamin C to your microbiome and mindset, the latest science of immunity is often counterintuitive. Here's how to give ...

Chelsea Rae Bourgeois is a health writer and registered dietitian nutritionist with over eight years of experience in the clinical setting. Her writing covers nutrition and overall health topics, ...

Rochester, Minn. — The immune system is meant to protect the body from infection and disease. But with age, it can become less capable of doing so. However, Mayo Clinic researchers have found that ...

Although chemotherapy helps kill cancer cells, it can also affect healthy white blood cells, weakening the immune system. Eating nutritious foods, exercising, and avoiding illnesses are some ways to ...