The question you asked involves numerology knowledge. Mao Zedong, Deng Xiaoping and others both smoked and lived a long life. This is because their horoscopes and five elements have very weak fire power, and their numerology favors fire. Smoking is good for them and helps with good luck. On the contrary, fire is avoided or not needed in the five elements of their horoscopes. People who are hot generally do not smoke or only smoke occasionally. If this type of person smokes, it will be detrimental to good luck, so it is better not to smoke.