Vaping in children and teens: smoke without fire? If you vape, you inhale a lot of harmful substances. These can damage your heart and lungs. Vape liquids may release hundreds of toxic chemicals when inhaled, study finds National Globalnews.ca Dangers associated with e cigs Poison Control Don't let vapes fall into little hands. Vapes can be poisonous and extremely dangerous to young children. Even a small amount can cause severe health issues. Protect your kids by keeping vapes Distressing footage has shown an Ayrshire toddler vaping as a group of adults look on. In clips shared online, the child, who is understood to be between one and two years old,