Salam to my brotherrs! Recently, I have read some essays about the affect of religion(Deen) on human. In an essay that is the results of a psycological research for determining of differences between the behavior of faithful persons and unbelievers. According to this the unbelievers encounter the psycological sicknesses too much more than the belivers. Furthermore, the believers believe ,highly more hopeful,to be cured by God , with regard to the unbelievers.