Lol, honestly I don't consider weed a drug. Drugs have to be chemically altered and stuff. Weed is natural.
weed isn't a drug, it's a plant
THC is

*smartass look*
Every drug is a chemical. It's just called a drug if taken from outside the body.
We produce Insulin, it's a hormone. If we take it, it's a drug and alters the normal balance of things such as if you don't produce enough, it's raising the norm
Right? At least that's what I was taught.