By Mercy Adhiambo Staff Writer madhiambo@oklahoman.comMore than 1,500 elementary students Tuesday gathered at Science Museum Oklahoma for a campaign aimed at educating young people on the effects of tobacco use. Organizers of the Be Smart-Don't Start event brought children from 16 schools across the state to participate in anti-tobacco activities aimed at discouraging them from taking up using tobacco and getting addicted to it. Cassidy Fallik, program coordinator of the American Lung Association in Oklahoma, managed a demonstration center at the museum.Read more on NewsOK.com