Did you ever have a case of synchronous diaphragmatic flutter? Sounds pretty serious, right? Well, it’s not. Synchronous diaphragmatic flutter, also known as SDF, is the medical term for a simple case of the hiccups. Most people will experience them at one time or another, but what causes hiccups? That’s what we’ve come here to […]

Yawning is something that all people do. In fact, yawning begins when a baby is still in utero. It’s not a strictly human act, and most mammals, and even some birds and reptiles also yawn. But why do we yawn? What is the function of a yawn, and why are yawns contagious? (Photo: rustyparts) No […]