Viral footage shows squirrels appearing to smoke discarded vapes, likely attracted by fruity scents. Experts warn the behavior is dangerous and urge proper disposal of e cigarettes., From: Drama Anlise da Reviso Cochrane: O Uso de Cigarros Electrnicos para Diminuio Cessao Tabgica. Cochrane Database Syst R Small device. BIG impact. Vapes are NOT harmless and many contain nicotine that can hook the brain in seconds, plus chemicals and metals that can damage the lungs. The earlier Pediatric Environmental Health Center Vaping, Teens & Pregnancy Boston Children's Hospital The Hidden Dangers of E Cigarettes David Perlmutter M.D.