Decoding the link between substance dependence and attention deficit hyperactivity disorder in adults: A cross-sectional study from North India.

Background: Attention deficit hyperactivity disorder (ADHD) and Substance dependence are often thought to be linked as they are found to co-exist in many individuals. ADHD is estimated to be an essential indicator for the development of substance use disorder. Aim and Objective: To explore the relationship between different substance dependence and ADHD.