This paper concentrates on both the positive and normative effects of punishments that enforce laws to make production and consumption of particular goods illegal, with illegal drugs as the main example. Optimal public expenditures on apprehension and conviction of illegal suppliers obviously depend on the extent of the difference between the social and private value of consumption of illegal g...

Party networks of young people are important for socialization, but can also influence their involvement in risk behaviours. We explored the individual-centred networks (7.360 friends) of 1.363 recreational nightlife users in 9 European cities in 2006, through 22 friend characteristics. As expected, deviant networks are related to violence, smoking, illegal drug use and drunkenness. However, so...

This study's objective was to analyze the use of illegal drugs by dockworkers and provide risk communication regarding the use of illegal drugs and test for infectious contagious diseases among dockworkers. This cross-sectional study including an intervention addressed to 232 dockworkers, who were individually interviewed, as well as communication of risk with testing for infectious contagious ...

OBJECTIVE This study examined the extent to which youthful alcohol consumption and the initiation of tobacco, betel nut, and other illegal drugs may differ by their first drinking context in Taiwan-a society with social norms that are more tolerant of underage drinking. METHOD In 2004, in a nationally representative sample of 11,943 school-attending youth ages 15-18, information pertaining to...

BACKGROUND There has been considerable debate regarding what typically occurs after experimentation with drugs throughout the life of young people who used various drugs. AIMS To evaluate the clinical importance of the most common sequence for the first use of a drug by two models (the "gateway model" and the "alternative model", which is the most popular sequence for Brazilian university stu...