The purchasing age of cigarettes should be lowered down to 16 because cigarettes are not all bad. Cigarettes can help prevent against certain diseases, such as Parkinson disease. Parkinson disease is a disorder of the central nervous system (18 benefits of smoking). The length of time a person has smoke the lower the risk they are for the disease (Longtime smoking cuts Parkinson's risk). Smoking cigarettes can also lower or even prevent against high blood pressure. In the United States alone 90% of adults started smoking before the age of 18 (Tobacco Product Use). https://www.change.org/p/u-s-senate-lower-the-purchasing-age-of-cigarettes