In , Cassandra Spender was returned and began to be used by the CSM in his hybridization projects. In Ahmadiyya Islam , smoking is highly discouraged, although not forbidden. Video of the Day. He believed this would hurt Fox's crusade. Murad IV , sultan of the Ottoman Empire was among the first to attempt a smoking ban by claiming it was a threat to public morality and health. Over time, the airways get blocked by scar tissue and mucus, which can lead to bad lung infections pneumonia.