the tablets do something in the brain to make you think your not addicted youtake them in small doses at first then increase i cant im sticking to the low dose as the nausea was imense touch wood today i didnt feel half as bad you still smoke in the first week but by the second week you have so much of this drug you just dont feel adicted i think its worked fast for me considering i can smoke 20 or more a day and ive had 3 in two days i think dont quote me its domperadone or something eolabea check it out on the net its called champix