Explore the rise and fall of neurasthenia, a 19th-century diagnosis of 'nervous exhaustion.' Learn how it shaped modern views on anxiety, fatigue, and mental health.

Learn what abnormal psychology is, including its focus on understanding unusual behaviours, causes of mental health issues, and modern treatment options. Explore key approaches used to diagnose, classify, and treat psychological disorders, and discover how abnormal psychology helps improve mental well-being.