'I didn't know the seriousness': 24-year-old student developed 'puff of smoke' in his brain from moyamoya disease

SINGAPORE - The first signs surfaced in February 2024, but 24-year-old Chee Ming Heng, who was healthy and fit, quickly dismissed them. On his first day of work experience on Feb 8, he realised that he struggled to write his name on the time sheet, s