The present article describes briefly the development of the theories regarding the circulation of blood in humans, from the time of Galen (second century C.E.) to the work of William Harvey (17th century C.E.).We shall summarize the views of Galen together with those of two prominent Iranian physicians of the Middle Ages (Razi and Ahwazi known in the West as Rhazes and Haly Abbas respectively)...

Retinoblastoma (Rb) is a malignant tumor that originates from the developing retina. Diagnosis is based on clinical signs and symptoms and usually children under the age of five years are affected. Early diagnosis and treatment of Rb and non-ocular tumors can reduce morbidity and increase longevity. Treatment in the early stages may allow a good prognosis and salvage of visual function.The aim ...

The paper focuses on the consideration of prospects for a direct military invasion by Turkey and Iran against national movement Kurds Syria represented Syrian Democratic Forces (Syria), Komala, Kurdistan Free Life Party Iranian (Iran). position role Russia in resolving conflict between without use armed force is also considered. It concluded that striving to maintain balance relations, one hand...

Background & Aim: In this survey study, we investigated prevalence of depression and the possible anti-depressant effects regular consumption mate or chimarrão (a traditional infused drink popular in Latin America Levant, made by soaking dried leaves holly species Ilex paraguariensis) a sample Syrian youth. Experimental: A cross-sectional study with random sampling 196 students two different me...