Decades of research reveal that genetics play a role in addiction vulnerability, but there is no single addiction gene. Many genetic variants interact with environmental influences, and a polygenic risk score cannot reliably predict whether a specific person will develop a substance use disorder.
Fitness and health-tracking apps can encourage healthy habits, but when notifications and daily targets begin influencing how we feel about ourselves, digital health tracking can become another source of pressure, guilt and anxiety.
New research from Queen's University Belfast links air pollutants including PM2.5 and nitrogen dioxide to suicidal thoughts, attempts and death by suicide, raising questions about how environmental conditions intersect with mental health.
Meta has signed an $18 billion agreement with 52 US attorneys general, introducing default screen time limits, nighttime restrictions, and parental supervision tools for teen accounts on Instagram and Facebook.