The rising popularity of High Intensity Interval Training (HIIT) in recent years could put certain individuals at serious health risks, according to a North East academic whose scientific research has led him to update his handbook on the subject. Morc Coulson, a sports and exercise lecturer at the University of Sunderland, has been involved in the health and … [Read more...] about New book raises health concerns behind ‘fitness fad’ for high intensity workouts