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, ...

Every day, your immune system performs a delicate balancing act, defending you from thousands of pathogens that cause disease while sparing your body’s own healthy cells. This careful equilibrium is ...

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, ...

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 ...

We sometimes hear about the benefits of “boosting” our immune system, but what we really want to do is support our immune system on an ongoing basis. People often think of the immune system as ...

Researchers have developed a new class of antibodies that amplify the immune system’s ability to fight cancer. By clustering immune receptors that normally receive weak signals from tumors, these four ...

Planes, trains, boats, automobiles and even feet. During the past decades and centuries, global travel and human migration have made all of us more worldly - from our broadening awareness of the world ...

In a reward-free touchscreen game, Japanese macaques favored a button that made a puppet pop up in somewhat unpredictable spots, like curious humans. Six zoo orangutans heard laughter before learning ...

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 ...

HHS unveiled a new Alzheimer's and dementia plan in Fort Lauderdale focused on prevention and early detection. Here is what is promised and proven. Final CDC Data Put U.S. Fertility Rate at Record Low ...