Hidden brain condition sees 'healthiest man', 36, collapse and die

His family is now fundraising and raising awareness09:48, 01 Sep 2026Stu's family were told he had died from a genetic condition known as arteriovenous malformation (AVM)(Image: Supplied by Jodie Grant | SWNS)Recruitment manager Stu Grant was known as a super-healthy gym regular who seemed to sail through any sport he tried. His family say that’s why they were blindsided when he suddenly fell seriously ill mid-workout.‌Within a day, they were told he had suffered brain stem death caused by a hidden condition. Stu was just 36 years old when he started feeling sick at his David Lloyd gym on March 17 and then suffered a seizure that doctors said wasn’t linked to exercise itself.‌He was rushed to Worcester Royal Hospital, but after scans revealed a catastrophic brain bleed, he was pronounced d