Is a disorder, in which a person binges on large quantities of food, followed by efforts to purge the food through vomiting or other means.

Bulimia is the only answer i can think of

I’m going to guess these are the choices: a) recreational skiing developed in the mid-19th century b) it was originally invented as a way of getting from place to place in snowy regions c) downhill skiing is currently the only common form of the sport d) it mostly evolved from snowshoeing- if that’s the cases then the answer would be c) downhill skiing is currently the only common form of the sport