What is Delta-8-THC and how is it different than Delta-9-THC? You may or may not have heard the terms “Delta 8” or “Delta 8 THC” by now – it’s becoming quite popular! Along with hearing those terms comes the question “What is Delta-8-THC?”. Well, the short answer is that it is “legal” THC. Let’s dig in to why this cannabinoid is extremely popular right now and what makes it legal.