Enormous quantities of industrial hemp are required to extract a small quantity of CBD, thereby raising the risk of toxic contaminants as a result of hemp is a bio-accumulator" that pulls heavy metals from the soil.
Qadar fara badan oo hemp warshadeed ayaa looga baahan yahay in laga soo saaro qadar yar oo CBD ah, taas oo kordhinaysa halista sunta sunta ah maxaa yeelay hemp waa "bio-accumulator" oo biraha culus ka soo saara ciidda.