By Daniel Bird A TV doctor has talked about heart health after the sad news of BBC radio DJ Steve Wright’s death. Although Steve’s cause of death has not yet been confirmed, a friend said he had heart surgery before he passed away at 69. Mark Wells, who was close to Steve Wright, spoke on a podcast called Behind The Scenes with Colin Edmonds. He shared that Steve “had been more ill than he had been letting on. Steve told me he had a heart operation about 14 or 15 months ago after he finished Steve Wright in the Afternoon on Radio 2,” Mr Wells explained. Dr Mark Porter, who you might have seen …