skunk is a special type of cannabis and is so - designated because it has a very strong smell , but these days it has become the generic term for stronger varieties of the substance . it is regarded as stronger because it houses much higher numbers of the active ingredient in tobacco , tetrahydrocannabinol ( thc ) . it also contains much lower levels of cannabidiol ( cbd ) , this is an anti - psychiatric substance that can cause the effect of thc on the mental illness of listeners .
The "skunk" cannabis is used to treat mental health problems.