Fatwa by Ayatullah al Shirazi:
Ruling on Smoking:
Question: What is the general ruling on Smoking?
Answer: Smoking is Permissible.
Advertising for Smoking:
Question: Is it permissible in Sharia to encourage smoking via media outlets like TV and newspapers and cinema and art ect…?
Answer: That is Permissible in itself.
Now you might be thinking, This guy probably doesn’t know that smoking is an evil Addiction which is described as slow suicide BUT HE DOES KNOW CHECK THIS FATWA BELOW:
Question: is it permissible to smoke near believers in the house or office ect … if the smoker knows that it will harm them and disturb them?
Answer: You should always consider what is best for the believers.
JUST LIKE THEIR GRAND AYATULLAH AL KHOEI CONSIDERS WHAT IS BEST FOR THE BELIEVERS HERE: