The Consequences of Gas Stoves

Dr. Sanjay Gupta: Cardiovascular disease is still the most common cause of death. He says there's no mortality benefit to putting a stent in or doing bypass surgery on people who just have it diagnosed without symptoms. The only people who are benefiting from these scans are the people doing them, he says. "I've seen 75 year old people, 80 year old people get coronary artery calcium scans"