Hans Selye was a pioneering endocrinologist known for his groundbreaking research on stress and its effects on the body. His studies led to the formulation of the General Adaptation Syndrome (GAS), a model describing how the body responds to stress in three stages: alarm, resistance, and exhaustion. Selye's work highlighted the physiological responses to stress, linking it to various health issues, ultimately contributing to the field of psychoneuroendocrinology. Selye's theories emphasized that while stress can trigger adaptive responses that are beneficial in the short term, chronic stress can lead to serious health consequences. His research paved the way for understanding the connection between stress and diseases such as hypertension, heart disease, and depression. Moreover, his insights have influenced therapeutic approaches in medicine and psychology, promoting stress management techniques. Throughout his career, Selye published numerous articles and several influential books on stress. His findings have had a lasting impact on psychology and medicine. Today, his legacy continues to shape our understanding of the mind-body connection and the importance of managing stress for overall health and well-being. Hans Selye was a pioneering endocrinologist known for his groundbreaking research on stress and its effects on the body. His studies led to the formulation of the General Adaptation Syndrome (GAS), a model describing how the body responds to stress in three stages: alarm, resistance, and exhaustion. Selye's work highlighted the physiological responses to stress, linking it to various health issues, ultimately contributing to the field of psychoneuroendocrinology. Selye's theories emphasized that while stress can trigger adaptive responses that are beneficial in the short term, chronic stress can lead to serious health consequences. His research paved the way for understanding the connection between stress and diseases such as hypertension, heart disease, and depression. Moreover, his insights have influenced therapeutic approaches in medicine and psychology, promoting stress management techniques. Throughout his career, Selye published numerous articles and several influential books on stress. His findings have had a lasting impact on psychology and medicine. Today, his legacy continues to shape our understanding of the mind-body connection and the importance of managing stress for overall health and well-being.