Essay guidance: This is an opportunity for participants to consider the theories of the life course such as bio-psycho-social and cognitive theories to a key ‘transition point’ within adult development, for example the transition from adolescence to early adulthood, development of or loss of significant relationship(s) or perhaps related to cognitive or biological development or decline. You are expected to demonstrate the ability to critically analyse theoretical perspectives, considering their relevance and limitations in helping us consider the specific transition point in adult life.