Quran the Sanative and the Endurance Factor Against Diseases

In several verses of holy qur’an, its healing effect has been emphasized: we sent down of the koran that which is a healing and a mercy to believers, but to the harmdoers it does not increase them, except in loss (1). had we made the koran in a nonarabic (language) they would have said: ‘if only its verses were distinguished! why in (a) nonarabic (language, when the prophet is) an arab? ‘ say: ‘to the believers it is a guidance and a healing. but to those who do not believe, there is a heaviness in their ears, to them it is blindness. they are those called from afar