Smoking and Harmful Substances

• What are the fixed rules for prohibiting things and matters in Islam, taking into consideration His — the Almighty’s — saying: "And do not say about what your tongues falsely describe, 'This is lawful and this is unlawful,'..." and the Prophetic Hadith: "The lawful is what Allah has made lawful in His Book, and the unlawful is what Allah has made unlawful in His Book, and what He has remained silent about is among that which He has pardoned," and the saying of the scholars: "The unlawful is that for which there is a severe threat [of punishment]"?
• Is a cigar considered like alcohol merely because tobacco leaves are fermented, or is it prohibited due to its harm, like other cigarettes?
• Do strong-smelling substances such as gasoline, oil, and nail polish break one's fast, and how can addiction to these substances be overcome?
• What is the ruling on using ethyl-containing substances found in creams, such as ethylhexyl and monoethyleneglycol, with the exception of ethyl alcohol?
• What is the ruling on a man using skin-whitening cosmetic products?
• Is the nicotine- and tar-free electronic cigarette prohibited?
• Is it forbidden to cultivate fennel containing large quantities of chemical pesticides that farmers avoid eating in their homes, given that these pesticides are available in the market and known to the responsible authorities?
• How do we respond to those who mock the Hadith of the fly and say that dipping the wing of a malaria-carrying fly could lead to a serious illness?
• Does the Holy Quran still contain medical facts that have not yet been discovered, especially concerning the control of fatal diseases, or is what has been deduced all that it contains?
• What is the ruling on someone who abandons some forbidden acts for a worldly reason, and is that considered disbelief (kufr)? And if so, is the one who does it excused by ignorance?
• What is the ruling on using sweets, sugars, and preservatives and colorings that carry the symbol E, which are said to be derived from animal or human origins?
• Is smoking shisha forbidden (haram), even if it contains rose water instead of tobacco?
• Is it forbidden to eat all foods that are entirely harmful, such as garlic and eggs, as mentioned by Ibn Al-Qayyim in "Prophetic Medicine"?
• Why is smoking forbidden while soft drinks and other harmful foods are permissible, and what is the difference between them even though both are harmful?
• What is the ruling on smoking and using shisha, and what is the ruling on the money earned therefrom?
• Is it permissible to use sugar-lemon wax to remove armpit and pubic hair for one whose skin is sensitive to other chemical depilatories?
• Is it permissible for me to allow the entry of health-damaging cosmetic creams, knowing that the state permits the entry of other harmful substances for which customs duties are paid?
• Why isn't Coca-Cola forbidden, despite its containing potentially harmful substances (such as phosphoric acid), its manufacturing from plants from which forbidden substances are extracted (like cocaine and caffeine), and its belonging to companies affiliated with hostile entities?
• Is it permissible to buy cigarettes for a Muslim maid who is convinced of their detestability but not their prohibition, and would refraining from doing so affect her treatment of the child?
• Does smoking flavored hookah with its molasses fall under the category of intoxicants or corruptants? What is the difference between them? Is a corruptant the same as an intoxicating drug? And what is the difference between an intoxicating drug and an intoxicant in terms of Islamic legal ruling?
• Is drinking carbonated beverages such as Pepsi, Cola, and Mountain Dew in Saudi Arabia harmful to one's health? Should they not be offered to parents and relatives? Is one sinful if they offer them upon request? How can they be convinced of their harm? What is the ruling if they are offered by mistake?
• What is the ruling on dealing with a father who curses, reviles, and damns his children for the most trivial reasons, weakens their personalities, causes them to lose the respect of society, leads to their children (his grandchildren) not respecting them, in addition to smoking inside the house in front of everyone?
• Does writing on cigarette packs that they are harmful and cause death change the ruling of commanding good and forbidding evil from obligation to recommendation, especially with the widespread knowledge of the prohibition of cigarettes?
• What is the ruling on smoking marijuana or bhang?