This mom explained in a TikTok video why she puts her kids in a room filled with salt ...

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

From cholera to norovirus, Giardia to hookworms, the gut is vulnerable to an impressive array of pathogens. To keep us alive in the face of this onslaught, the intestinal immune system must be ...

Vitamin C and vitamin D both support immune function in different ways, but neither will prevent you from getting sick on their own. Vitamin C may slightly shorten colds, while vitamin D deficiency ...

Elderberry supplements and syrups pop up all over the place during cold and flu season, making it feel like everyone else knows something you don’t. But is elderberry full of the immune-boosting ...

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

Getting enough sleep can help protect you from getting sick. “Sleep is critically important to maintaining a healthy immune system, so we need to sleep enough. We also need to have good timing of our ...

Add Yahoo as a preferred source to see more of our stories on Google. With the peak of cold and flu season here, did you know that getting enough sleep can help protect you from getting sick? “Sleep ...

Scientists have uncovered an elegant biophysical trick that tuberculosis-causing bacteria use to survive inside human cells, a discovery that could lead to new strategies for fighting one of the world ...