If you are worried about your own or someone else’s drinking and/or drug use, a Community Substance Abuse Drop-In Service will be available to have your questions answered about substance abuse on the Second and Fourth Mondays of the Month from 2:00 to 6:00 p.m. at Neponset Health Center, 398 Neponset Ave., Dorchester, MA. This service is confidential. For more information, call (617) 282-3200.