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 ...

Scientists in the Blavatnik Institute at Harvard Medical School and MIT have created a new family of tools that, for the ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. The 2025 Nobel Prize for ...

Why does the same virus barely faze one person while sending another to the hospital? New research shows the answer lies in a molecular record etched into our immune cells by both our genes and our ...

Your immune system may be weak if you have frequent, severe, or extended infections. Learn more signs of a weak immune system.

How does the same infection, say the flu or a cold, give some people mild symptoms and leave others suffering? Why do people develop autoimmune diseases? And will we ever be able to predict when—and ...

Why can the human immune system often remember a vaccination for a whole lifetime? Researchers at ...

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.

Vaccines have traditionally worked by teaching the immune system to recognize a specific virus or bacterium—in effect, ...