[The exogenous toxicologic aspects of headache: (author's transl)].

Headache is the cardinal symptom in many chronic intoxication syndromes. Here we find a distinct increase in connection with noxas stemming from our civilization: In regions of industrial agglomeration there is an increase in CO concentration and in lead poisoning from exhaust gases. Engine detergents cause typical intoxication syndromes. Insecticides have caused mercurialism and DDT-poisoning as a result of chemical concentration in maritime animals. Similarly, chronic poisoning by the insecticide E 605 can have headache as a cardinal symptom. In addition, the increased use of pharmaceutical agents leads to more possibilities of chronic intoxication,