Smoking is a well-known major risk factor in development of esophageal cancer, but few studies have reported the association between smoking status and prognosis of these patients. We conduct the present study to summarize current evidence. A computerized search of the PubMed and EMBASE was performed up to April 30, 2015. Eight studies, containing 4,286 patients, were analyzed. In the grouping ...

happiness is among the concepts which were subject of empirical studies in 1960s. this concept has been used interchangeably with such concepts as joy, satisfaction with life and the like. while meaningfully correlating with the feeling of joy and satisfaction with life, as indicated by numerous researches, the feeling of happiness is affected by different factors and situations. the present re...

With the significant increase in the average life-span in the industrial world, skin cancer has become a great health concern. There are various epidemiological, biological and molecular data suggesting that skin cancer is predominantly a disease of the elderly, since approximately 53% of skin cancer-related deaths occur in persons more than 65 years old. With regard to the management of elderl...

objective status epilepticus (se) has been described as a series of major motor seizure without recovery of consciousness between seizures. se is a medical emergency that requires prompt diagnosis and appropriate treatment. in this article we shall conclude history, epidemiology, etiology, risk factors, the best management as well as the prognosis of the condition.