Michael Hugh Mosley (22 March 1957 – 5 June 2024) was a British television and radio journalist, producer, presenter and writer who worked for the BBC from 1985 until his death. He presented television programmes on biology and medicine and regularly appeared on The One Show. Mosley was an advocate of intermittent fasting and low-carbohydrate diets who wrote books promoting the ketogenic diet. He died on the Greek island of Symi on 5 June 2024.