Syria's capital, Damascus, is the oldest capital in existence. It is the fourth holiest city in Islam, according to some. Damascus was established in the third millennium B.C., making it one of the Middle East's oldest cities.

(C) Bulimia

Bulimia nervosa is an eating disorder characterized by binge eating, which involves consuming large amounts of food in a short period of time, often with a lack of control. Individuals with bulimia then engage in compensatory behaviors, such as vomiting, excessive exercise, or fasting, to prevent weight gain. The person described in the question, who does not know when to stop eating, may be exhibiting characteristics of binge eating, which is a key feature of bulimia. Diabetes, anorexia, and hyperacidity are different health conditions and not typically associated with an inability to stop eating in the described manner.

1. Sadashiv Bhatt's book on cookery 'Rai Vinod' is related to Rajasthan. This text was written in Bikaner in the 16th century.