dr. francis collins, sat down with ray suarez to discuss precision initiatives. it's meant to collect data to help the nih do a better job on disease prevention and management. all of this, when you go to the doctor with ailments, what they prescribed is based on the average response of the average person. response of the average person, and most of us are not all that average, and we're better at determining what those are, and how that will improve outcomes. so it's partly about your inheritance, and your geno, and that's something that we're able to measure, but it's about your environmental exposures, and about your lifestyle. it's about what's happening in your life at that point, as far as social determinants of health. putting all of those things together, we, with a very large number of individuals, when we measure those things, ought to be able to figure out what's the way for not just the average person, but for each of us to maintain health? >> nearly 1 million americans are being asked to participate in the initiative. >>> up next, crackdown on counte