Childhood obesity is now a significant problem in London, UK.  Around 10% of children aged between 4 and 5 are classed as obese, and that figure doubles for children aged 10-11.  This video looks at some of the factors involved in the rise of childhood obesity, as London fights to reverse the trend and get more children healthy again.

Learn more about Childhood Obesity: http://bit.ly/1WvRf0c