👉 The term "addiction" is a complex medical condition that has many subcategories, including substance abuse, gambling disorder, and compulsive eating disorder. It refers to an uncontrollable urge to continue using a substance or engage in behavior that can cause harm to oneself or others.<0x0A>The definition of addiction includes various psychological factors such as a strong desire for the substance or behavior, and the risk of relapse. It can be caused by a variety of factors including genetics, environmental factors, social and cultural influences, and mental illnesses.