A healthy mind in a healthy body or mens sane in corpore sano, as Decimus Junius Juvenalis put it in his time, is a phrase that seems to imply some causal relationship between exercise and a sound mind. However, when Juvenalis (one of the great Roman satirists of his time) made himself immortal with these words, he at least seemed to care to make a causal statement.

There’s been a lot of talk in the news recently about Facebook, and much of the discussion has centered on Facebook’s role in politics and journalism and user privacy. But there are other discussions about Facebook’s product itself, focusing on users’ well-being and psychological health...

Do you feel the need to feel good about yourself in order to be happy? Research suggests that if you have a lot of opportunities to make new friends, it is more likely that you will answer this question with a ‘yes’ than when you have more of a set group of people you spend time with. In this blog, I will describe the recent research on the influence of relational mobility and how it relates to the way in which we develop our self-esteem and happiness.