For more information regarding these substances, please click here. Skip to Videos All | Fentanyl | Xylazine (Tranq) | Alcohol | Marijuana | Delta-8 | Vaping | Heroin | Cocaine | Methamphetamines | Inhalants | K2/Spice | Marijuana, Mind Matters: How Does Marijuana Affect Your Brain and Body? Marijuana, Your Brain on Drugs: Marijuana Marijuana, Effects of Cannabis (Marijuana) on Adolescent & Young Adult Brain | Dr. Andrew Huberman Marijuana, I Smoked Weed and I am Fine Marijuana, Marijuana: How THC attaches to Neurons Marijuana, Dabs: What are the risks? What parents should know Marijuana, Dabs: What are they and what parents need to know