Do you know what “420” is? Ever hear someone talk about “4/20?” If so, they could be referring to “National Weed Day,” promoting all things cannabis related and often ‘observed’ by marijuana enthusiasts. You might also hear reference to the everyday afternoon hour of 4:20 pm as “code” to partake in smoking or using marijuana and other cannabis products. Want to be “in the know” and learn to recognize the signs, symptoms and trends of youth marijuana use? Check out our 420 Newsletter and Click Here for additional information from the National Institute on Drug Abuse..