Since simple chemical like THC radically changes your 'craving status' like everybody knows, this proves that external chemical (which also has endogenous versi

Since simple chemical like THC radically changes your 'craving status' like everybody knows, this proves that external chemical (which also has endogenous version albeit not that strong) influence craving hence it is NOT psychological. Body also naturally crave specific resources and this happens for more complex stuff then water. Some cravings are actually addiction, like craving for sugar (as in mentioned chocolate). Implying all of those are myth because some of existing phenomena are actually based in psyche is click baity.