This online video training educates viewers about drug and alcohol abuse and their effects in a construction environment. This video explores the causes and dangers of workplace substance abuse problems. Substance abuse can refer to abuse of alcohol, prescription drugs, illegal drugs, or other substances. Viewers learn about depressants, stimulants, narcotic analgesics, and hallucinogens. Use of these substances increases the risk of job site accidents. Use this video to educate employees about the dangers of substance abuse in the construction environment.