Will this man make you happy?

The government's 'happiness tsar', Richard Layard, thinks he knows why we're all so miserable - we're overpaid, over-materialistic and lonely. But, he tells Stuart Jeffries, he has a plan to banish the blues in Britain, once and for all

Adults need to grow up

Rowenna Davis: Our society's immature attitude to young people and sex leaves them ill-informed and at risk

The party’s over

Students tend to be portrayed in the media as hard-drinking hedonists. But that's simply no longer the case. Jessica Shepherd finds out why sober is becoming cool

Weight measures

Everyone wants to teach families how to avoid obesity ... but who picks out which children need help? Jackie Kemp reports