How much do you know about drugs and the effects caused by drugs? Answer the following questions to test your knowledge about drug use myths and facts. You must have JavaScript enabled to use this form. 1 Start 2 break1 3 break2 4 break3 5 break4 6 break5 7 break6 8 break7 9 break8 10 break9 11 Complete 1) Nicotine is the only chemical in cigarettes that affects the brain. * Fact Myth MythResearch suggests that there are other chemicals in tobacco smoke that affect the brain. It’s not just nicotine. Next