Professor Mike Kelly, of the health watchdog Nice, has said it is difficult for obese children to lose weight without help from their families.
Speaking on Daybreak, he said that spiralling obesity was to blame for a range of childhood diseases that were not seen in children several decades ago.
More top news
The Federation for Small Businesses has urged regulators be patient as firms try to comply with the General Data Protection Regulation.
The Royal Horticultural Society says projects to bring plants and colour to local areas show green spaces can make a big difference to peopl
The Ardnamurchan Trust project aims to boost the economy and encourage families to stay in the region.