Lung and throat cancers increase dramatically in populations where smoking spreads, and decrease where smoking is curtailed (Peto et al. 2000).
When rumors of Justin smoking first spread, the especially troubling hashtag #cut4justin spread on Twitter.
This year will see the impact of a smoking ban spread from Scottish bingo halls to English and Welsh venues.
At that point, the practice of smoking tobacco spread from North America to China, and opium smoking soon became popular throughout the country.
Waterpipe (WP) smoking has spread worldwide and emerged as a global health issue in recent years.
NEW YORK CITY'S smoking ban spreads from bars and restaurants to parks and beaches Monday, and now one condominium on the Upper West Side has taken the step of prohibiting residents from smoking inside their apartments.
For example a recent study among a large social network of 12 067 people found that "smoking behavior spreads through close and distant social ties" [ 43].
Analysis of data from the Framingham Study demonstrated that smoking behaviour spreads through social networks, with smokers becoming increasingly socially marginalised [ 53].
Because society in Qena is fairly conservative, General Labib said, shisha smoking has not spread to young women, as it has in decadent places like Alexandria.
Since then, the researchers have examined how other health-related behaviors and conditions — drug use and sleeplessness among teenagers, smoking and happiness — spread through social networks.
