Cochrane

Since some countries banned smoking in public places in 2004, there has been a reduction in secondhand smoke exposure (being affected by smoke from other people's cigarettes), and health has improved for smokers and nonsmokers. Being exposed to secondhand smoke can increase the chances of illness and death, and so a number of international health organisations ...

Review question We reviewed the evidence to establish by how much the amounts of food, alcohol or tobacco adults and children select or consume change in response to being presented with larger or smaller-sized (or differently shaped) portions or packages of these products, or of items of tableware (such as plates or glasses) used to consume them. Study ...