Earlier quoted context omitted.
One response I received was: “weed is natural and comes from the Earth”. It’s absolutely mind boggling how stupid people can be.
And water comes from burning fossil fuels too, but I doubt that water would be good for you. Ibuprofen comes from the bark of tree IIRC, but that pill is a lot better than the soup you’d have to eat to get not nearly the same effect. Everything is natural. I really hate that argument.
This is salicylic acid, in a number of tree barks but most abundantly in white willow.
The medication form is aspirin or acetylsalicylic acid.