Dr Michael Mosley’s son has opened up about the lasting impact of his father’s death and the unexpected way his family has found comfort in the aftermath
The son of late TV doctor Dr Michael Mosley has opened up about the unexpected way his family has coped with his father’s death. Dr Mosley, who died aged 67 after disappearing during a walk on the Greek island of Symi in June 2024, left behind a hugely influential health legacy through his books, television programmes and bestselling diet programmes.
Now, his son, Dr Jack Mosley, has spoken about how continuing that work has become part of the family’s healing, revealing how an overwhelming public response helped shape their next steps.
Speaking to The Telegraph about the months after his father’s death, he said: “After my dad [Michael Mosley, the TV doctor and diet guru] died, mum and I received thousands of messages from people who wanted to let us know just how much he had helped them. They spoke of reversing their diabetes, or dramatically improving their health, by following his Fast 800 plan… or his 5:2 diet.”
He added: “We were blown away by the outpouring. In the aftermath, we spoke about what we could do to keep flying that flag of the ‘Mosley mission’ to improve the nation’s metabolic health. Continuing dad’s legacy has become part of the grieving process. Being able to be connected to him through that work has been important.”
He explained that the work felt like a natural continuation of his own interests, having founded the Nutritional Medicine Society while training as a doctor and completing a master’s degree in diabetes research. During that time, Jack worked with Professor Roy Taylor, whose pioneering research showed that a very low-calorie diet could send type 2 diabetes into remission.
Jack said studies carried out since then have suggested that eating around 800 to 1,000 calories a day for up to three months may offer benefits beyond rapid weight loss, including improvements in cardiovascular health, gum disease and inflammation. Research has also linked substantial weight loss with a greater chance of reversing prediabetes and type 2 diabetes in some people.
Jack noted that his father had famously reversed his own type 2 diabetes by following an 800-calorie diet on two days each week while eating normally on the remaining five, helping popularise what became known as the 5:2 diet.
He stressed that anyone with diabetes or taking medication should consult a doctor before attempting a low-calorie diet.
An inquest into Dr Mosley’s death in December 2024 returned an open conclusion after a coroner said the exact cause could not be determined.
The broadcaster disappeared after setting off on a walk on Symi on June 5 while on holiday with family and friends. His body was discovered four days later following a major search operation.
Senior coroner Crispin Butler ruled that Dr Mosley’s death was “indeterminate” and “unascertainable”, saying it was most likely due to either accidental heatstroke or an unidentified pathological cause.
The coroner found no evidence that his death resulted from homicide, suicide or an injury-related accident. An open conclusion means there was insufficient evidence to establish precisely how the death occurred.
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