Recognising the acronym CBD, I was interested how Cognitive Behaviour Therapy was being used with dogs. However this isn't Cognitive Behaviour Therapy, this is derivative of cannabis. A simple Google search provided the below.
Cannabidiol (CBD) is a phytocannabinoid discovered in 1940. It is one of some 113 identified cannabinoids in cannabis plants, accounting for up to 40% of the plant's extract. As of 2018, preliminary clinical research on cannabidiol included studies of anxiety, cognition, movement disorders, and pain. Synonyms: CBD
I am against using such drugs, and their effects, on animals; for a host of reasons, but this isn't the place.