Puberty snooze: teenagers sink into the couch

By Kate Hagan
Updated September 21 2012 - 3:58pm, first published September 11 2012 - 1:54pm
Get a load of this ... More than 20 per cent of teenagers do no excercise at all.
Get a load of this ... More than 20 per cent of teenagers do no excercise at all.

Teenagers are less likely to smoke and drink alcohol but are far more physically inactive than a decade ago, new statistics show.