What Are Hiccups?- Hiccups are sudden, involuntary spasms of the diaphragm, the muscle located between the lungs and stomach.- This spasm pulls air into the throat, causing the vocal cords to close ...

Hiccups are sudden, involuntary contractions of the diaphragm, the muscle that separates the chest from the abdomen and plays a key role in breathing. These contractions cause the vocal cords to close ...