Behavioural sciences are a branch of sciences that deals with understanding the relation between thoughts, and emotions, and its effect on the overall behaviour of the individual. By taking account of the understandings of various fields like psychology, anthropology, and emotions one can understand the ranging effects on behavioural aspects. This multidisciplinary area provides insightful knowledge about human nature that informs interventions for well-being in society, organizational management, and personal growth. Behavioural science can be the key to understanding the diseases that arise due to behavioural changes influenced by stress or trauma. This will help us not only to give precise treatment but also make us to innovate more therapeutic strategies for patients.