At a certain point, there’s no stopping a sneeze. The burst of air is as inevitable as a crashing wave. But with conscious effort, we can control how loud it is. “There are things that people ...

"A thunderous sneeze is a learned behavior," says Mas Takashima, chair of the otolaryngology department at Houston Methodist.

Following is a transcript of the video. Narrator: Achoo! Are you sick? Don't you dare sneeze on me! Do you know how far your germs can travel? Normally, you hold about half a liter of fluid in ...