Study finds that young adult men and women who have experienced mild traumatic brain injuries are more likely to develop substance use problems, including cannabis and alcohol use. The researchers discovered that individuals with a history of mild traumatic brain injuries are more likely to use substances, especially if they also experience anxiety or depression. Interestingly, the study found that men and women have different patterns of substance use, with men being more likely to use cannabis and women being more likely to use alcohol. The study suggests that addressing substance use problems in young adults, particularly those who have experienced mild traumatic brain injuries, is crucial for preventing long-term mental health issues.