About what percentage of Canadian adults smoke cigarettes?

According to the Wisconsin Model of Status Attainment, our __________ is(are) affected by our social background

A) styles of interaction B) willingness to work hard C) ability to memorize information D) physical strength

As discussed in your text, much evidence now suggests a number of biological causal factors in obsessivecompulsive disorder including all of the following EXCEPT

A) a moderate genetic contribution. B) decreased activity in the orbital frontal cortex. C) abnormalities in serotonin systems. D) abnormalities in the functioning of the basal ganglia.