Turkish anti goverment protesters gather as they break their first day of fasting for the Muslim holy month of Ramadan on Istiklal street, the main shopping corridor, on July 9, 2013 in Istanbul. During the month devout Muslims must abstain from food, drink and sex from dawn until sunset, when they break the fast with the meal known as Iftar. AFP PHOTO/BULENT KILIC
 *** Local Caption ***  522286-01-08.jpg

Avoid crash diets and follow doctor's orders during Ramadan fast, experts say