My friend's son is 3 years old. For over a year and a half now he has been vomiting almost every day. He usually does it when he starts coughing from running around too much or when he gets upset or when he's in trouble and is being punished...   Dr. Pies' Answer

I am a doctor and was wondering if there is a psychological disorder where the sufferer puts things (illnesses, for instance) into categories and feels uneasy if he can't attach a label to these things?    Dr. Pies' Answer