9 signs your teen may be vaping Nebraska Medicine Omaha, NE Vape liquids may release hundreds of toxic chemicals when inhaled, study finds National Globalnews.ca Sharing this in case it helps another parent act faster than I did. , 2 days ago, My 3 year old accidentally smoked a vape someone left lying around something that didnt belong to me or my husband 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 If you vape, you inhale a lot of harmful substances. These can damage your heart and lungs.