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, ...

We are now approaching six years since COVID-19 was declared a pandemic by the World Health Organization, yet talk of vaccines and our immune systems persists in our cultural conversations — from ...

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.

Colorectal cancer has long baffled scientists because, unlike most tumors, patients often do better when their cancers are ...

Rubella antibodies in the blood mean that a person’s immune system has developed a response to the rubella virus. A positive result for rubella immunoglobulin (IgG) antibodies means a person is immune ...

In a new study, people who incorporated a fermented side dish into their weekly routine saw meaningful shifts in immune cells that help the body fight infections. Researchers in South Korea 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 ...