فهرست نشریات علمی دسترسی آزاد ایران

Preventive medicine is a science which tries to maintain and increase the health in a   population. Ancient Iranian scientists have played an important role in developing medical sciences, especially during middle ages. Jorjani was one of the greatest scientists which are known as the reviver of medical sciences. Treasure of Kharazmshah, the most popular book of Jorjani, is written in Persian. It is believed that there is no medical comprehensive book such as treasure in any country. A part of this book is devoted for preventive medicine. In traditional Persian medicine prevention is prior to treatment and there six principle necessities for preventing diseases named " Sette-ye-zarurieh " which consists of Air, Food and Water, Sleep and Wake, Movement and Stillness, Emotional states (Aaraz-e-nafsani), and Depletion and Retention (Estefragh and Ehteghan). Jorjani believed that prevention is easier and simpler that treatment.