This assignment delves into the multifaceted issue of depression. It explores the biological evolution of the serotonergic system and its role in depression, analyzing the link between subtypes of depression and cardiovascular disease. The influence of genetic and environmental factors, including parental depression, on depression development is examined. The assignment further investigates various treatment approaches for depression, encompassing psychotherapeutic interventions like behavioral activation and cognitive therapy, alongside pharmacological options and their efficacy. Finally, it sheds light on the impact of depression on individuals, highlighting its prevalence in university students and its long-term consequences.