In the UK it's estimated that around one in every four adults is obese.

BMI has some limitations because it measures weight, not fat. Someone who is very muscular can have a high BMI without having excess fat.But for most people, it is a useful indication of whether they are a healthy weight.

The star will appear in the National Theatre's production of The Importance of Being Earnest when it transfers to the West End in September.Channel 4's acclaimed 2021 drama about the Aids crisis, for which he was nominated for a Bafta Award."I'd recently been thinking that I'd love to act again," he told BBC News. "I'd come to the end of my record contract, and I have a bit more breathing space to try a few different things and not feel, oh, well I have to deliver an album to my record label."

Alexander will take over from Doctor Who star Ncuti Gatwa, who starred in The Importance of Being Earnest when it opened at the National Theatre in 2024.He will play Algernon when the production transfers to the Noel Coward Theatre in London.

"What's not to love?" Alexander asked. "It's such a brilliant play, Oscar Wilde's most celebrated comedy. I saw the National production and thought it was fantastic, and this opportunity came along and I jumped at the chance."

Alexander shot to fame when his band Years & Yearssurrounding Israel's participation.

This year's entrants, girl group Remember Monday, ended in a similar position, finishing 19th. Alexander praised their performance, adding that he "hopes to meet up with them soon and we can exchange stories"."But," he added, "I think I'll still be processing and reflecting [on Eurovision] for a long time."

The singer is excited to be returning to the West End, not least because it will mean performing continuously in one venue."I spent a lot of my previous years moving around, touring, which is so fun and amazing," he reflects. "But I also very much appreciate staying in one place now.