Another class of allergies is commonly referred to as central nervous system allergies. These are reactions that detrimentally affect one’s emotions and behavior. The causes of these allergies are, in many instances, the same as those discussed in our previous blog posts. The principal difference is that they specifically affect brain function, so that reactions are particularly noticed in one’s behavior and attitude. Biochemical mechanisms primarily responsible for brain allergies include; excessive histamine release in the brain due to an elevated copper