urology at lenox hill hospital and chief of robotics surgery. good to see you. >> as always. >> something that affects a lot of people in the country. about 70 million americans, and that is hypertension. turns out in about half of people who have it know that they have it or that it's even under control so dr. siegel, i mean, it's a big topic. you see it a lot in your office. how do you know if you suffer from hypertension, and what does that mean? >> first of all, we call it the silent killer, eric, and there's a reason for it because 360,000 deaths this year are related to high blood pressure, not necessarily that alone, but the heart disease it causes, the strokes it causes and the kidney failure it causes and all of these things are connected, and then there's a category called pre-hypertension which i'm monitoring all the time. people that have a blood pressure higher than 120/80 but i'm not yet ready to intervene 1. 20/80 is the gold standard, low 120/80 is normal. any number below, that just reinvestigate that had recently. that's the nu

david samadi, chairman and professor of urology at lenox hill hospital and chief of robotic surgery. >> also dr. marc siegel, professor of medicine at the nyu's langone medical center, also author of "false alarm, the truth about the epidemic of fear." joining us live via skype this sunday, and good to see both of you, docs. >> glad to see you. >> we'll get right to you. >> good to see you. >> as we mark one week since the terror attack at an orlando nightclub pulse that left 49 dead and dozens injured, the massacre will no doubt leave lifelong scars on those directly involved, but it will also be felt in less visible ways by many people who have been watching the tragedy and its fallout from afar, so how do we as americans cope with this going forward, and dr. samadi, i understand that there are stages of emotions. >> well, the biggest way that the terrorist is going to get us, it's not their bullets and it's not their guns. it's really the emotional and psychological scar that is going to be left behind, and we're talking about fear in this segment. so fear actually is a self-defen

david samadi, chairman and professor of urology at lenox hill hospital and chief of robotics surgery.good to see you. >> as always. >> something that affects a lot of people in the country. about 70 million americans, and that is hypertension. turns out in about half of people who have it know that they have it or that it's even under control so dr. siegel, i mean, it's a big topic. you see it a lot in your office. how do you know if you suffer from hypertension, and what does that mean? >> first of all, we call it the silent killer, eric, and there's a reason for it because 360,000 deaths this year are related to high blood pressure, not necessarily that alone, but the heart disease it causes, the strokes it causes and the kidney failure it causes and all of these things are connected, and then there's a category called pre-hypertension which i'm monitoring all the time. people that have a blood pressure higher than 120/80 but i'm not yet ready to intervene 1. 20/80 is the gold standard, low 120/80 is normal. any number below, that just reinvestigate that had recently. that's the num

david samadi, chairman and professor of urology at lenox hill hospital and chief of robotic surgery.rofessor of medicine at the nyu's langone medical center, also author of "false alarm, the truth about the epidemic of fear." joining us live via skype this sunday, and good to see both of you, docs. >> glad to see you. >> we'll get right to you. >> good to see you. >> as we mark one week since the terror attack at an orlando nightclub pulse that left 49 dead and dozens injured, the massacre will no doubt leave lifelong scars on those directly involved, but it w

jennifer wu at lenox hill hospital.es. what are some of the common causes? >> majority of the time is due to genetics being abnormal. the egg and the sperm don't combine correctly. as women get older their eggs get older. >> lot of people who have miscarriages often times think i'll have trouble conceiving the next one and the next one, what's the truth behind that in. >> not necessarily. oftentimes miscarriage is a one-time occurrence and many of these women will go on to have happy, healthy pregnancy and what can women do as they're going through the pain, hillary scott poured her heart into her songs, what can women do while going through the grieving process in. >> it's a sad, difficult time, reach out to their partner, they're both going through it. it's a grieving process that can take time and it's okay to have that time for that. >> how long before you can try again, to conceive again? >> we tell patients not to have second for two weeks. >> all right, dr. jennifer wu, definitely a lot of hope out there. >>> mor

our doctor is a cardiologist at lenox hill hospital in new york city and joins us at the table.m ourselves almost. we all know you can't eat too much salt. how will the guidelines help? >> for many years, the idea of reducing sodium in the food supply has been proposed as a public health strategy. this is the first time the government is stepping in and putting limits, voluntary guidelines, on sodium. why is this important? 90% of americans consume too much sodium. it's not from the salt shaker that you use at home. 75% of the salt we get is from processed and prepared foods from outside the house. we spend 50 on food outside the home. and the fda said the deck is stacked against the consumer. that couldn't be more correct. this is about giving power to the consumer, taking that burden off the consumer. it's estimated that by reducing sodium by 400 milligrams, a quarter teaspoon, you can decrease 28,000 deaths a year and save $7 billion in health care costs. >> what is it salt does to you? >> it increases the blood volume. it attracts water which raises blood pressure. the blood