sneeze

Not long after he suppressed a powerful sneeze, the patient's neck began swelling, crackling and popping. It was a rare case — and he recovered — but doctors say there's a moral here: Just let it rip.

What happens when you let loose with a juicy one? A lab of MIT mathematicians and physicists is taking a close look, with the goal of improving public health.

Let's look deeper into your nose and all of its mysteries, shall we? Are you a snatiator? And does tweezing your eyebrows really make you sneeze?