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Smoking is not explicitly declared forbidden (haram) in Islam, but because it is harmful to one’s health, it is strongly discouraged. Just as poisons are not specifically mentioned as forbidden, neither are many other impure or harmful substances. However, their harmfulness is clearly understood through reason and common sense. The Holy Quran and the sayings of the Prophet, peace be upon him, do not list every harmful thing, but they do outline the underlying principles and wisdom. Islam also encourages the use of personal judgment to distinguish between what is beneficial and what is harmful. In such matters, individuals are expected to make wise and responsible choices.

Islam places great emphasis on health, cleanliness, and the protection of life. Smoking is now known to be highly harmful to both the smoker and those exposed to second-hand smoke. It contains numerous poisonous and harmful substances such as nicotine, tar, carbon monoxide, and arsenic. These substances have well-documented negative effects on the body and the environment.

Islam teaches: “Do not kill or destroy yourselves” (The Quran 4:30). While smoking may not result in immediate death or destruction, it can certainly be seen as a form of self-harm over time. Therefore, in light of Islamic principles, smoking is considered makrooh—discouraged or undesirable—even if not explicitly labelled as haram (forbidden).

Some harmful or impure things are not individually listed in the Quran, but our God-given sense of reason and discernment helps us recognize what is harmful. Just as we naturally avoid spoiled food or filth, we should also avoid practices like smoking that damage our health and well-being.

Moreover, Islam places a strong emphasis on hygiene and cleanliness. Smoking compromises both. It leaves a foul smell on a person’s breath, hands, clothes, and environment—something that goes against the Islamic etiquette of personal and public cleanliness.

In addition to its health risks, smoking is a wasteful practice. A significant amount of money is spent on cigarettes and tobacco products each year—resources that could otherwise be used for the greater good of one’s family and community. The Holy Quran discourages extravagance and wastefulness (The Quran, 17:27-28).

In conclusion, while smoking is not explicitly forbidden, it is strongly discouraged in Islam due to its harmful effects on the individual and society. A conscientious Muslim should strive to avoid it out of respect for the body, life, and the broader community.