By WebMD
Rumination disorder (also called merycism) is an eating disorder in which a person -- usually an infant or young child -- brings back up and re-chews partially digested food that has already been swallowed.
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CLEAR ALL
Alanis Morissette struggled with eating disorders in her teens and 20s. But then she discovered how good it felt to treat her body right—and this fall she ran a marathon to prove it. Here, Morissette opens up about her long, winding road to becoming healthy.