This is a 2-group RCT in 380 tobacco-using medical patients that will compare a single session, computer-directed 5 A's intervention for smoking (experimental condition) to screening and resource provision (control condition). Follow-up visits will occur at 1 and 3 months post study enrollment. Measures will focus on tobacco use and related psychosocial outcomes (e.g. mood, stress). We will compare resources used and economic costs needed to implement each intervention.