Adolescents with lower attention spans are more likely to use cigarettes and cannabis, according to new research from Trinity College Dublin. The study found that 14-year-olds with reduced sustained attention and related brain activity were at a higher risk of using substances by age 23.
Researchers analyzed brain imaging data from more than 1,000 participants at ages 14, 19, and 23.
The study author notes that the research aligns with previous findings that highlight the connection. However, this research is significant because it found that the lower attention ability caused the substance use, instead of vice versa.
“In contrast to prior research suggesting that substance use impaired sustained attention, our results indicate that lower sustained attention also predates substance use,” the study reads.
By identifying attention deficits early, researchers believe this could help shape more effective substance abuse education and prevention programs.
“This proactive approach could reduce substance abuse risks, improve individual lives, and lessen societal burdens related to addiction,” said lead researcher Robert Whelan in a press release.