You’ve probably heard people say that green mucus means you have an infection. It’s a common belief that has been passed around for...

We've all experienced it—sitting in a quiet room, library, or classroom, trying to hold back a sneeze during an awkward moment when that...

So you've been told that all the cells in your body contain the same genetic material? I've seen it written as a general principle of...

Introduction What stands between the viral infections from entering your body? There must be some sort of defense system activated to...