July 23, 2009 5:48 am Scan Your Body, Assess Your Health A new full-body scan lets doctors get a quick look at your health and might detect potential problems before they happen. US & World Videos 4:17 New California law will remove restaurant surcharges 0:43 Daily marijuana use outpaces daily drinking in the US, a new study says 3:45 Scarlett Johansson responds after ‘eerily similar' voice pulled from ChatGPT 3:02 JoJo Siwa got punched during 21st birthday celebration 1:54 WATCH: Animals snack on cicadas at Chicago zoo