How have pilicies changed about smoking public

These policies include a range of measures, notably: a total ban on tobacco advertising and promotion; restrictions on smoking in public places and in the workplace; sustained increases in tobacco taxation combined with measures to curb smuggling; large and bold health warnings on tobacco products.

Explanation:

Smoking as a public health issue finds its roots nearly a century ago. It was in the 1930s when health care practitioners began to grasp the dangers caused by the use of tobacco fully. About fifteen years later, the American Cancer Society began to proactively warn smokers about the health hazards caused by smoking.