Guy's this is not a story. This is real which is happiness overall world by smoking and drinking....The scientific name of the most common tobacco plant is Nicotiana tobacum 31 may is a special day . The day special is a Anti Tobacco day. This day is to celebrate on the occassion to stop smoking .  World Anti Tobacco day is observed on May 31 every year to raise awareness about the harmful effects of tobacco use and to promote policies that reduces tobacco consumption. The member states of the world health organisation created world no Tobacco day in 1987 to draw