Symptoms, including abdominal pain, vomiting and profuse watery diarrhoea, may lead to severe dehydration and possibly death, unless fluid and salt are replaced.

Physical health: Abuse can result in many health problems, including headaches, back pain, abdominal pain, fibromyalgia, gastrointestinal disorders, limited mobility, and poor overall health.

If you eat a lot, you'll probably experience nausea, vomiting, pain in the mouth, abdominal pain, diarrhea and cramps. Your heart rate might also become slow or irregular.