5 in 100 US citizens (2015) according to a CDC survey, smoke cigarettes often. An even higher 19% (2016) smoke in the UK according to an NHS survey. Why do so many people continue to smoke? Nictotine makes people get addicted to cigarettes, but what causes someone to first start smoking? It could be peer pressure, it’s calming effect or anything. There is no clear answer. However the one fact that is clear, is that smoking is bad for your health.