moore102811_01_X17pic230WM.jpgDemi Moore was rushed to the hospital after inhaling a "dangerous amount" of nitrous oxide, according to TMZ.

The site claims a friend called 911 after the 49-year-old actress went semi-unconscious from doing whip-its.

A whip-it (aka laughing gas or nitrous oxide) is commonly used by younger people who are looking to get a quick high.

A source tells Radar that Moore is being treated for anorexia, as well.

Moore will also no longer make a cameo in the Linda Lovelace biopic Lovelace, according to Deadline. The actress was set to play the role of feminist activist Gloria Steinem.