Substance use disorders refer to a condition in which an individual becomes dependent on or addicted to a substance, such as drugs or alcohol, resulting in harmful consequences for their physical and mental health. Research in this area focuses on understanding the causes and risk factors for substance use disorders, as well as developing effective prevention and treatment strategies. Studies may examine the biological, psychological, and social factors that contribute to the development of substance abuse, as well as the impact of substance use disorders on individuals, families, and communities. Research in this area also aims to improve the accessibility and effectiveness of treatment options, including behavioral therapies, medication-assisted treatments, and support services for individuals struggling with substance abuse.