dana pfizer is the ceo of jenny craig. how are you?not going run out of customers any time soon but why do we still not get it. we're still a nation of fatty mcfats. >> i know you like to say that. i've heard that before. >> i'm speaking from personal knowledge as you know. >> i know. it's an all-time high and it's absolutely a crisis. i think we can say it's something we want to fix. i think we go about live in these stages and say i'm going to go on a diet and have a quick fix and get it down and not thing of the healthy long-term behavior. i look at jenny craig that you don't go on or off. it's a way of life. it's about changing behaviors for long-term benefits. >> do you think that the problem is lack of knowledge or do you think it's lack of control? >> i think it's a little of both. and at jenny craig, we have -- i think you talked about over 3,000 consultants we have in our centers. i think one thing that sets us apart is our one-on-one relationships we build. they're there to educate on the nutritional parameters. it's the litt

. >> reporter: the study was sponsored by jenny craig, coca-cola, and glaxosmithkline. >> where he found the best evidence for weight loss was in things like meal replacement drugs and bariatric surgery bringing up the whole question of the conflicts of interest. >> reporter: many experts agree on some of the facts the study cites including changes for long-term results and increased exercise improves health. what people really want to know. >> there needs to be more research on actual solutions. >> reporter: is how to shed the pounds for good. dr. nancy snyderman, nbc news, new york. >>> if you thought losing weight was hard, try to get quality shut eye. according to a recent sleep study, february is the hardest month of the year to get a good sleep. darker days and longer nights contribute to an average sleep loss of eight minutes when compared to march. >>> when we return, going shopping for silver. super bowl silver at tiffany's. >>> along with the nhl stanley cup, the most widely known trophy, crown jewel, football. at the end of the night, after commercials have aired and the game

rivals here including jenny craig and nutrisystem. weight watchers down 16% here in the afterhours.back to you. >> thank you, josh. and on weight watchers, karen is coming off what should have been a seasonally strong quarter, which would include the new year's holiday, but the outlook is also bad. >> this is a great franchise. i would love to own it. i think we might get a chance here. i wouldn't jump in tomorrow. i think this is a pretty significant miss, so, i want to really try to understand what exactly went wrong. i don't know if it's because jessica simpson is pregnant again, is that the issue? i don't know. but it's a great -- >> no, no, she's pregnant or that's an issue? >> that's she's -- it's hard to be on weight watchers, program, if you're pregnant. i don't know. >> stop right there. >> stop right there? >> you're a woman. you can say these things. >> it's a great franchise. at some point, it will be good to own. i don't think you have to feel that tomorrow is the only day to do it. >> okay, let's move on here. hedge funds said to be the smartest money on the street. bu