Liquid Nicotine Still Dangerous To Children Despite Decline In Exposures (video) Nationwide Children's Hospital Share Print E-Mail Loading video... Caption While e-cigarettes remain popular with consumers, a new study shows they are still extremely dangerous to children. Researchers found that from January 2012 through April 2017, there were more than 8,200 calls to US poison centers regarding liquid nicotine exposures among children younger than six years of age. Credit Nationwide Children's Hospital Usage Restrictions credit: Nationwide Children's Hospital Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.