The Kingdom of Saudi Arabia is located in the Middle East between the Persian Gulf and the Red Sea; it stretches across 200 million square kilometers and has a population of 24,807,000 people, which makes this country one of the largest in the Middle East (World Health Organization (WHO, 2009). Saudi Arabia has the largest reserves of petroleum in the world. As Saudi Arabia is an Islamic kingdom, most Saudis practice the Islamic religion and this doctrine's religious beliefs are reflected in all aspects of Saudi public life, including social and economic development. The influence of Islam also extends to every aspect of the lives of Saudi citizens, including food, behavior, language, and health-care.