of using prescription and over-the-counter medications properly. joining us in our panel today are dr. h. westley clark, director, center for substance abuse treatment, substance abuse and mental health services administration, u.s. department of health and human services, rockville, maryland; dr. timothy condon, deputy director, national institute on drug abuse, national institutes of health, u.s. department of health and human services, rockville, maryland; dr. barbara krantz, chief executive officer and medical director, hanley center, west palm beach, florida; beverly gmerek, prescription drug abuse prevention program coordinator, peer assistance services inc., denver, colorado. dr. clark, how prevalent is prescription drug misuse in the united states? well, we estimate that there are approximately 15 million people who misuse prescription drugs in the united states, and that gives us an estimated 2.5 million new initiates per year, or, if you think about it, that's about 7,000 new initiates a day. and within that, do one age group uses it more than others? what is the distribution among the age groups? well, i think the most important thing to keep in mind is that prescription drug abuse affects the entire age range. we might see some pea