Searxng/Julian Lennon Celebrity Julian Lennon reveals coronary heart disease and pre-diabetes diagnosis, urging early detection to reverse damage and prioritize health. May 14, 2026 AceShowbiz - Julian Lennon has publicly disclosed that he has been diagnosed with coronary heart disease and is also pre-diabetic. In a heartfelt message posted on Instagram, he urged his followers to prioritize their health by getting checked early, emphasizing that many health issues can remain hidden without obvious symptoms.