As populations age worldwide, the decline of the immune system, a process known as immunosenescence, has become a critical ...

Green tea contains beneficial compounds that may support immune health by reducing inflammation, fighting oxidative stress, ...

There are many ways that the human body responds to stress, from the adrenaline rush of the "fight-or-flight" instinct to more subtle, complex changes that may not be immediately recognizable to us.

Vitamins and supplements like zinc and cod liver oil are often touted for their ability to boost your immune system, but Jeffrey Bland, the "father of functional medicine," says that's not actually ...

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 ...

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 ...

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 ...

With the peak of cold and flu season here, did you know that getting enough sleep can help protect you from getting sick? “Sleep is critically important to maintaining a healthy immune system, so we ...