Abstract: The purpose of thes study is to analyze the effectiveness of transcranial Direct Current Stimulation (tDCS) on reducing craving among people smoking hookah. The study population included all individuals 25-35 years old kookah smokers in the spring 2015 residing in Mashhad The 21 students are selected using voluntary sampling and are randomly assigned to experimental and control groups. The experimental group received tDCS treatment at the same level while the control group did not receive any treatment. for data analysis univariate analysis of covariance and SPSS software is used to accelerate obtaining the results. The results showed there is a significant difference in terms of the basic craving and induced craving between the control and experimental of the right and groups at a confidence level of 99% (p<0.01). so, it can be said that transcranial direct current stimulation can reduce the basic and induced craving to smoke hookah.

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