Young people are happier and healthier than their counterparts a decade ago as the so-called 'Facebook generation' is more physically active and less likely to drink or be bullied, according to a new study. The study sheds new light on the habits and happiness of 11 to 15 year-olds in over 40 different countries across a 16 year period (1994-2010). The study coordinated internationally by the University of St Andrews in the UK found that on temporary adolescents are in a better position than past generations.