"Do you not know that your body is a temple of the Holy Spirit, who is in you, whom you have received from #God? You are not your own; you were bought at a price. Therefore honor God with your body" (1 Corinthians 6:19-20)

Smoking is undoubtedly very bad for your health. Smoking has been proven to damage the lungs and the heart. Smoking is no less forgivable than any other sin, whether for a person becoming a Christian or a Christian confessing his/her sin to God (1 John 1:9). At the same time, we firmly believe that smoking is a sin that should be forsaken and, with God’s help, overcome.

Read more "What is the Christian view of smoking? Is smoking a sin?" http://www.gotquestions.org/smoking-Christian-sin.html