Smoking is the leading cause of preventable death in America and causes about 30% of all cancer deaths. That's why researchers with the UC Davis Comprehensive Cancer Center wanted to study the impact of a California law passed in 2016 that raised the tobacco sales age from 18 to 21.
Their new study [...] examines smoking behavior after the state implemented one of the first tobacco 21 (T21) policies.
The study, conducted by UC Davis researchers Melanie Dove, Susan Stewart and Elisa Tong, looked at smoking patterns before and after the law passed and compared California and other states without a T21 policy. [...]