For people aged 19-64, the of ‘enough’ is 150 minutes of moderate activity every week. Children should do more, as should people. Those over 65 are advised to do twice-weekly strength exercises as well as their 150 minutes – a recommendation for anyone who imagined spending their retirement on the sofa!

The study also found that people from Kuwait had the highest levels of , with 67% of adults taking no exercise. Nobody could accuse the Ugandans of , however, as 95% of the population exercised at or beyond expected levels.

Dr Songul Aksoy, a in global exercise trends, warned that nations faced a crisis. ‘We used to work outside and now we sit in front of computers,’ she said. ‘OK, you can’t easily change your job, but you can make better . Cycle to work, or kick a ball around with the kids when you get home – otherwise you’ll become another statistic for people like me!’