Chronic marijuana use by teenage boys does not appear to be linked to later physical or mental health issues such as depression, psychotic symptoms or asthma, according to a study published by the American Psychological Association.
A study of Internet pornography users suggests a person's own feeling of being addicted to online pornography drives mental health distress, not the pornography itself.
A new UT Dallas study has found that having family or friends involved in crime was the best predictor of whether a youth offender would become a long-term marijuana user or heavy drinker.
Adolescents who saw advertising for medical marijuana were more likely to either report using marijuana or say they planned to use the substance in the future, according to a new RAND Corporation study.
Gamblers who feel like they enter into a trance while playing slot machines are more likely to have gambling problems, according to new research from the Centre for Gambling Research at UBC.
Young and single men are at risk of being addicted to video games. The addiction indicates an escape from ADHD and psychiatric disorder.
Mothers in therapy for drug and alcohol use recover faster if their children take part in their treatment sessions, according to a first-of-its-kind study.
(HealthDay)—College students who smoke marijuana appear more likely than their peers to skip classes—which eventually leads to poorer grades and later graduation, a recent study suggests.
Periods of economic uncertainty tend to influence drinking problems among people who lose their jobs, as some turn to alcohol due to stress or because they have more free time and fewer responsibilities.
The medical community may be inadvertently creating a new generation of illegal, recreational drug users by prescribing anti-anxiety or sleep medications to teenagers, say University of Michigan researchers.