Kabat, Davey Smith, "Environmental tobacco smoke and tobacco related mortality in a prospective study of Californians, 1960-98," British Medical Journal (15 May 2003)
In the News Menthol cigarettes still plague womens health Compton Herald, 2018 FDA takes first steps to limit flavorings in tobacco NBC, 2018 A menthol cigarette ban may influence smokers to quit Reuters, 2018 NJ Could Be First State To Ban Menthol Cigarettes CBS New York, 2018 San Francisco moves to ban sales of vaping flavors, menthol cigarettes CNN, 2017 Minneapolis City Council approves menthol tobacco restriction Minneapolis Star Tribune, 2017 US Senators Call on FDA to Ban Sale of Menthol Cigarettes US News & World Report, 2017 Oakland bans flavored tobacco products East Bay Times, 2017 Time to Ban Menthol National Center on Addiction and Substance Abuse, 2014 Researchers at UCSF and beyond are concerned about the health effects of menthol and other flavored tobaccos

This change is partly because of new laws: Shops can only sell tobacco to adults over 18 (used to be 16) The power to stop shopkeepers from selling tobacco at all if they keep selling it to children Not allowing cigarettes to be on display in shops Cigarettes only being sold in plain packets
The system enables users to receive customized health information through its connection to wearable technology