What is marijuana? What will happen if I smoke it? How does it effect my brain? Our kids want to know and what better source of information than parents. Here is a great brochure and conversation starter for your teen or preteen about marijuana. The more information our Lawrence youth have about drugs the better decisions they can make. MARIJUANA IS THE SECOND MOST ABUSED DRUG IN LAWRENCE after alcohol. Click on the link below and share it with your teen.