How dangerous is that sunburn?JUST WATCHEDHow dangerous is that sunburn?ReplayMore Videos ...MUST WATCHLiving to 100 (19 Videos)How dangerous is that sunburn?This string may help you live to be 100Saying 'hello' can extend your lifeWhy pets make the best medicineDo this at 50 and you could live to 100How to stop mindless eatingCut this food and extend your lifeDrink this daily and you may live longerIs sitting the new smoking?Put down that energy drink!To get good sleep, set thermostat at thisHow your smartphone affects your sleepDoes laughing make you healthier? Can't stop texting while driving? Use thisIs chocolate actually good for you?Could this lead to weight loss magic?Trick your kids into eating healthyHow listening to music helps your brainIs talking on your cell bad for you? Source: CNNAdded on 3:38 PM ET, Fri July 25, 2014Dr. Sanjay Gupta tells us how applying sunscreen every day can help you live to be 100. More from Health3 deaths linked to Zika virus in Venezuela Police: Man remembers who he is after 30 years Scott Kelly from space: Earth's atmosphere 'looks very, very fragile'