India, May 6 -- Sleep often tops the list when it comes to improving overall health, but where do habits like exercise, nutrition, supplements, and even oral hygiene stand in comparison? In a May 5 Instagram video, Dr Jeremy London, board-certified cardiovascular surgeon with more than 25 years of experience, broke down exactly that through a rapid-fire "this or that" challenge focused on heart health. (Also read: Hyderabad neurologist lists '3 golden rules' to protect your heart, shares how even a simple flu can raise cardiac risk )

From red wine and CoQ10 (coenzyme Q10, a natural antioxidant that helps the body produce energy and supports heart health) to rucking, fiber intake, and sleep, Jeremy ranked each habit based on its impact on...