After all their work, they realized that nicotine was not just calming or stimulating, but it was having its effect centrally, in the brain, and that people were smoking for brain effects. ”
Kogu selle uurimistöö tulemusena mõisteti, et nikotiin mitte lihtsalt ei rahusta ega erguta, vaid avaldab toimet kesknärvisüsteemile, nimelt peaajule, ning et inimesed suitsetavad selleks, et tunda seda toimet. ”