Smoking remains one of the leading causes of lung cancer and can be a poisoning risk for kids. The best way to protect your health and your family is to quit. Kids What Nicotine Does to Your Body Signs, Causes, and Treatment of Nicotine Poisoning Can Doctors Tell If You Vape? You might think vaping is invisible but your doctor may spot the signs From breathing changes to nicotine testing, vaping can leave clues behind. Where do kids hide vapes? For resources on recognizing signs of vaping, how to talk to your kid, and to get support, visit the link in our bio.