They have become popular over recent years because they actually get you stoned.This is because many contain synthetic cannabinoids such as JWH-018.
Stoner2: you know those "smoking blends" contain synthetic cannabinoids to get you high.
Stoner 2: yeah, in fact a german lab actually found the chemical JWH-018 present in some of them.
Stoner1: Is it dangerous?
Stoner2: We'd really have to wait till more tests are done on it's safety.I'd say stick with weed untill a synthetic cannabinoid has been proven safe. When it has, buy it in pill form and it'll be a lot healthier than cannabis.
Synthetic cannabinoids are the way forward.