Prophetic Tradition

لِكُلِّ دَاءٍ دَوَاءٌ فَإِذَا أُصِيبَ دَوَاءُ الدَّاءِ بَرَأَ بِإِذْنِ اللَّهِ عَزَّ وَجَلَّ

Translation

There is a remedy for every disease. When the remedy is applied to the disease, it is cured by the permission of Allah, the Exalted.