'In the past decade there has been an explosion of research into the psychology of well-being. While we know that psychological well-being is partly heritable, it is only recently that researchers have started to investigate the specific genetic factors that influence well-being. Such research explores not only heritability, based on traditional twin study designs, but also includes studies combining some of the most recent molecular genetic techniques and methods.

This landmark book summarizes the state of knowledge regarding heritability and molecular genetics in positive psychology....