david samati, chairman and professor of urology and chief of robotic surgery. good to see you. >> good to see you. >> we begin today -- this is astounding. a new movie by the nation's top nutrition advisory panel. they decided to drop the long held stance of -- right, about avoiding foods high in cholesterol like eggs, shrimp and lobster. do you believe this? we're told for years only have two eggs a week. you will have too much cholesterol. don't have so much shrimp because of the cholesterol. now it's good for us? >> i'm like -- what's going on? >> since 1961, the american heart association has come o ch. >> don't change anything. why am i saying that? cholesterol does some good things. it helps stabilize cells. it's good for metabolizine inii cells. here is why the guidelines came out. they came out because when you eat a shrimp, it may not lead to an elevated blood level. we don't know. in 25% of people, it leads to elevated blood levels. in 75%, it doesn't lead to that. since you can't tell, i say if you have diabetes, if you have high blood pressure, risk

david samati chairman and professor of urology and chief of robotic surgery.>> good to see you. >> we begin today -- this is astounding. a new movie by the nation's top nutrition advisory panel. they decided to drop the long held stance of -- right, about avoiding foods high in

david samati is a member of the fox news medical a-team.rijuana do you use versus how much alcohol would one use and what would be the harmful factors of both actually? >> this is a study that came in to scientific reports. it's a very deceiving paper and it's also extremely confusing with a lot of flaws in this particular study. what they're basically using is a lethal dose of marijuana heroin, cocaine, and pot and they're putting them all in the same category and saying since alcohol and heroin can kill you faster then pot is perfectly safe. that's a bad logic. and they're also extending this to the whole medical marijuana. and once you get into the medical part which is where i'm coming from as a doctor to legalize it and have access to a lot of people out there it's a very dangerous situation that we're getting to. now, long-term effect of this kind of marijuana on brain, cognitive skills, memory loss, psychosis, there's a five-fold increase of heart attack when you're on marijuana for a long period. pregnant women in colorado are smoki