Learn how drugs affect your teen's brain and how they can impact your teen's life. Image DrugFacts Get plain and simple facts. Image Emerging Trends Keep up with new drugs and drug use trends, and sign up for alerts. Image Commonly Used Drugs Use the at-a-glance chart to see drug and effects. Image Science of Addiction Understand the science of the disease of drug addiction.(En español) Image Marijuana: Facts Parents Need to Know Read a short guide on talking with your child about marijuana. Image Opioids: Facts Parents Need to Know Learn facts about opioids and their potential harmful effects.