Shaykh ibn Bāz [may Allāh have mercy on him] said:
“Smoking is repulsive and extremely harmful. Therefore, it is not permissible to smoke cigarettes, sell or purchase them or trade in them.”
Majmū Fatāwa wa Maqālāt, 10/395 | Shaykh ibn Bāz [may Allāh have mercy on him]
Translation: Authentic Quotes