Parkinson's disease is due to a problem with ___________.

One of the first things we need to do to overcome gender differences in communication is to ________ them.*

a. ignore b. emphasize c. acknowledge d. overlook

Most people who smoke cigarettes

A) are unlikely to suffer any negative health effects. B) would find it easy to quit if they once decide to. C) started smoking as adolescents. D) smoke for social rather than physiological reasons.