Schools told to tackle teenage obesity crisis

· Minister demands action to help girls take up sport· 50% of population obese in next 25 years - study

Do panic!

Linda Blair: We should worry that our children are stressed, because our education system is not helping them tackle their worries.

Children are apparently stressed out by having to take tests at school, but this is only a taste of what lies in store for them in the workplace.

Matt Seaton: We shouldn't lose too much sleep over a report that our kids are 'stressed'. What would really be worrying is if they weren't.

As a new study reveals alarming stress levels in school starters, Lucy Atkins asks the experts what parents can do to help.

· Rising numbers 'alarming' - minister · New rules on healthy school meals

Is it really goodbye to the student union bar, and hello to mango energisers and campus gyms? Jessica Shepherd reports.

A common virus that causes throat and eye infections may also play a role in obesity, according to US scientists.