Atricle from CBBC Newsround
The amount of seriously overweight children in England has doubled in the last 10 years, according to research.
One in four kids is obese, says the Health and Social Care Information Centre after quizzing 2,000 children.
Campaigners said England was facing a "health timebomb", and the government should do more in order to stop the rise of childhood obesity by 2010.
Being badly overweight can lead to things like diabetes and heart problems in later life.
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Professor Colin Waine, chairman of the National Obesity Forum, said there was a danger that kids would not live as long as their parents.
The government says it has already made big steps towards dealing with the problem through campaigns to feed kids more fruit and veg and to promote school sports.
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Do you know about the life your fresh supermarket chickens led before they reached the table?
Few people know about the conditions suffered by most broiler chickens - those reared for meat.
95% of the chicken eaten in the UK has been intensively farmed.
Farmers are under pressure to produce poultry as quickly and cheaply as possible - which means birds live short lives, in cramped conditions, without ever seeing natural daylight. They commonly develop severe injuries and disabilities, associated with unnaturally fast weight gain and restricted movement.
The plight of egg-laying, battery caged hens has received much attention in recent years, and consumers have responded, greatly reducing the proportion of bought eggs which come from intensive systems. 27% of UK egg production now comes from free range farms. Now it's time to do the same for broiler birds.
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