It’s cold and flu season and most of us will eventually encounter a virus. So, how does our immune system work to keep us healthy? According to Michaela Gack, PhD, Scientific Director of the Cleveland ...

Disease can arise both when immune cells are too active and when they're not active enough. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. For ...

Aimee Pugh Bernard is affiliated with Immunize Colorado as a volunteer and unpaid board member. Every day, your immune system performs a delicate balancing act, defending you from thousands of ...