There is no doubt that some individuals are much more risk averse than others, but how do we explain individual differences in risk-taking behaviour? Perhaps the answers lie in our biological differences; these can include differences in brain structure or function, as well as those caused by the process of evolution. Understanding the biological basis of these risk-taking behaviours is crucial in being able to identify who may be more prone to poor outcomes. (With thanks to our sponsor 'Curriculum Press' for providing content for this podcast)