Family Physicians May Be Particularly Effective Agents in Promoting Health-Related

Family physicians may be particularly effective agents in promoting health-related attitudes and behaviors because

A) individuals are more likely to follow a suggested treatment if they are paying for professional advice.
B) individual behavior modification programs are unsuccessful compared to social engineering efforts.
C) they recommend one-to-one approaches that are inexpensive and the most efficient for changing health habits.
D) they are highly credible sources and their recommendations have the force of expertise behind them.