Youth Substance Use: Why it matters, How it has changed & what you can do about it presented by LeeAnne Dodge, MA, Education Specialist. Wednesday, October 19 2016 from 7pm to 9 pm, CHS Performing Arts Center, 200 Richardson Road, Chelmsford. All Communities welcomed to attend. Sponsored by the Chelmsford Board of Health with funds raised from the 2016 Mother's Day Road Race for Addiction Awareness.