Potent pot, vulnerable teens trigger concerns in first states to legalize marijuana

6/16/19–The first two states to legalize recreational marijuana are starting to grapple with teenagers’ growing use of highly potent pot. Parents, educators, and physicians say youths are easily getting hold of edibles infused with tetrahydrocannabinol, or THC, the psychoactive component that causes a high, and concentrates such as “shatter,” a brittle, honey-colored substance that is heated and then inhaled through a special device. Read