The extreme materialism of this work caused so much opposition that he was compelled to give up his post at Tübingen , and he retired to Darmstadt , where he practiced as a physician and contributed regularly to pathological and physiological magazines .
The extreme materialism of this work excited so much opposition that he was compelled to give up his post at Tübingen . He retired to Darmstadt , where he practiced as a physician and contributed regularly to pathological and physiological magazines .