Chapter 4 discusses substance use and abuse. Several states have made marijuana

Chapter 4 discusses substance use and abuse. Several states have made marijuana legal. 
What is your opinion on the legalization of marijuana? Provide evidence from research that supports your opinion.
Note: This participation assignment has a maximum value of 20 points. 10 points are based on your initial discussion and 10 points are based on your responses to two other students. Your initial post should be 10-20 sentences in length