Delta-8, an unregulated form of THC, is popular among high school students

 Delta-8, an unregulated form of THC, is popular among high school students

Derived from hemp, it has similar effects to delta-9 THC, the main intoxicant in marijuana. It’s fueling a rise in calls to poison control.

Edible products advertised as containing delta-8 THC. Teens can overdo it with products like these, health officials warn.
Gene Johnson/AP
A national survey of more than 2,000 high school seniors a…