January 9, 2019

Why do I upchuck when I get sick?

If you catch stomach flu (usually a virus in your guts), swallow food spoiled by bacteria, or simply pig out until your body rebels, your stomach […]
January 9, 2019

How do I sneeze?

You don’t have to do anything. Sneezing is a lightning-fast involuntary reaction, in which your chest, stomach, throat, and face muscles work together to blast particles […]
January 9, 2019

Why do I sneeze?

Sometimes dust, flakes of dead skin, pollution, microbes, or your own booger buildup from a cold find their way into your nose’s air passages. When mucous […]
January 9, 2019

What are the benefits of bacteria?

Your gut reaction might be to wrinkle your nose at the thought of bacteria inside your guts, but it turns out that many so-called good bacteria […]