There are several synonyms for the term Rumination Disorder, which is a mental health condition where an individual excessively regurgitates and rechews their food. Some of the other terms used to describe this disorder include Rumination Syndrome, Merycism, and Cattle Belching Syndrome. These terms are generally interchangeable, but they all refer to the same underlying condition. The exact causes of Rumination Disorder are still being studied, but it is believed to be linked to certain medical conditions, stress, or psychological factors. Treatment for this disorder may include behavioral therapy, medication, or a combination of both. It is important to seek help if you or someone you know is experiencing symptoms of Rumination Disorder.