Scientists measured physical activity in thousands of seven-year-olds and found that 50% of them are inactive for more than six hours every day.
Martha Fairlie reports from the West Midlands:
More top news
Heading to Wimbledon? Here's the forecast for the rest of the week.
The Scottish golf club plans to hold another vote on female membership just weeks after its members rejected the proposals.
George Osborne has said the UK economy is "prepared for the unexpected". So did he overstate his Brexit warnings?