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

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 ...

The researchers believe this strategy could eventually reduce the need for multiple shots each year for different respiratory illnesses. A simple nasal spray could one day protect against flu, ...

A new study has revealed that your immune system is keeping a secret diary, controlling how you get sick. Here is everything you need to know, along with how this study can help you.

In the following weeks, there will likely be an increase in respiratory illnesses such as influenza, COVID-19 and RSV. Now is an excellent time to strengthen your immune system to help combat those ...

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

Pain is something most people experience after an injury, whether from a sprained ankle, surgery or car accident. Normally pain fades as the body heals. But it may last longer in women than in men, ...

As winter looms on the horizon, so do viruses and bacteria prepared to usher in annual colds and flu. The immune system is the first line of defense against these types of viral infections and ...

Add Yahoo as a preferred source to see more of our stories on Google. These immunity-supporting foods can help you stay healthy and vibrant all winter long. With cold and flu season around the corner, ...