introduction: the existence of standard tools is one of the basic needs of scientists of healthy behavior for predicting health-related behaviors. the aim of the present study was to design a psychometrically sound instrument to measure the protection motivation theory constructs regarding self-medication for elderly iranians. methods: the study was conducted in spring 2016. the sample consiste...

Multiple sclerosis is an autoimmune disease of the central nervous system which its main characteristic is an inflammation and demyelination and subsequent, neural degeneration. Many studies have shown that inflammation causing neuronal demyelination. MS is the most common cause of chronic neurological disability in during youth which the prognosis is that can be death. Platelet activating fact...