Hiccups happen when your diaphragm—the muscle separating your chest from your stomach—starts to spasm repeatedly. When a spasm happens, your diaphragm pulls down and you quickly suck in air. Then your ...
Specifically, your diaphragm, the large muscle at the base of your lungs, and the muscles in your chest can spasm suddenly ... If your hiccups are a symptom of a serious condition, then curing the ...