The tough rules, which are expected to be announced as soon as Thursday, follow Johnson changing his view on personal health decisions after his hospitalisation with coronavirus last year. The prime minister is said to blame his own health issues for contributing to his illness. Overweight people are at greater risk of severe illness or death from Covid.

Research has found that one in three children leaving primary school are overweight or obese, as are almost two-thirds of adults in England.

The 9pm pre-watershed ban on advertising TV products deemed to be high in fat, salt and sugar (HFSS) could cost TV broadcasters such as ITV, Channel 4, Channel 5 and Sky more than £200m a year in revenue.

The online ad ban would affect all paid-for forms of digital marketing, from ads on Facebook to paid-search results on Google, text message promotions, and paid activity on sites such as Instagram and Twitter. It is estimated that more than £400m is spent on advertising food products online in the UK annually.

Picture this: You're 17, you walk into a corner store and grab a Coca-Cola and Doritos, but the cashier refuses to sell them to you because you're underage.

That rule is expected to soon become reality in parts of Mexico, as lawmakers in several states push legislation to keep junk food away from children, partly in response to the coronavirus pandemic.

First Oaxaca's state legislature passed a ban on selling or giving out high-calorie packaged foods and sugar-sweetened drinks to minors on Aug. 5. Less than two weeks later, Tabasco state approved a prohibition, too. Now at least a dozen other states are considering similar legislation.

One-third of Mexicans aged 6 to 19 are overweight or obese, according to UNICEF.