Smoking / Quit Smoking Why Is Smoking Bad For You? Written by Christian Nordqvist Knowledge center Last updated: Thu 22 October 2015 email 4 2239SHARE 179 Smoking is responsible for several diseases, such as cancer, long-term (chronic) respiratory diseases, and heart disease, as well as premature death. Over 480,000 people in the USA and 100,000 in the UK die because of smoking each year. According the US CDC (Centers for Disease Control and Prevention), $92 billion are lost each year from lost productivity resulting from smoking-related deaths. Of the more than 2.4 million deaths in the USA annually, over 480,000 are caused by smoking.1 Smoking is the largest cause of preventable death in the w