Tracy deconstructs myths about drugs and drug use with Dr. Carl Hart, a professor, scientist, and researcher at Columbia University.

Plus, we want to keep you in the loop about Heben, so please know we are still working out the details of her return. Thank you for being patient with us, and for listening every week. We love you!

Follow Carl at @drcarlhart.

Find Another Round merch at shop.buzzfeed.com.

Subscribe to the Another Round newsletter at buzzfeed.com/anotherround/newsletter.

Learn more about your ad choices. Visit megaphone.fm/adchoices