associate professor of medicine at nyu's langone medical center and author of "the inner pulse, unlocking the secret code of sickness and health." >> and, dr. david samadi, the vice chairman of the department of urology chief of robotics at the mt. sinai medical center, doctors, thanks for joining us and we begin with a startling new statistic, dramatic, stating american adults are living with two or more chronic conditions. and, research actually shows people 45 and older are especially at risk. doct dr. samadi, what is going on with this. >> this study came out of cdc this week, and looked at 9 chronic illnesses, heart disease, stroke, cancer and the list is long and they noticed now in america, the population over 45, they have at least two of those chronic illnesses and the numbers have gone from 16%, in the last decade, now to 21%. and, what is more important is the -- over the age of 65, the number has gone from 37% to now 45% and what it really means is, is that half of the population over 65, they have two chronic diseases or more and that is not really good news for us and the answer is, why exactly does it happen? and some of it has to do with the wear and tear of the fact that people are l