. >> reporter: well, dr. boyle from gbmc is here to look at the study that shows how caffeine can kind of play tricks on women's estrogen levels. can can you tell us about the study. >> a study came out that shows that even low levels of caffeine intake so sodas, coffee, and my favorite chocolate, can all affect a woman's hormones. and it is race dependent n caucasian women it lowered estrogen and asian it increased. they don't know the long-term side effects and it doesn't appear it's going to affect ovulation. and pregnanty but it's something we need to -- pregnancy but it's something we need to watch and be concerned about. >> it's. >> the long-term study and we don't know. >> right. >> reporter: let's go back to diet soda. we talked about some of the health effects. but what's in diet soda that makes it so bad night not good for us. we heard that but it's basically the artificial sweeteners that are bad because they are so sweet and they play havoc on our bodies. they make our brains think we are taking in a sw

dr. boyle thanks for joining us. she is here every monday morning and next week she will be here again monday morning to talk about tips to improve your health. back to you guys. >> thanks. good stuff. >>> the snow event from saturday, we can't call it a big storm, it's nothing compared to europe. >> so pretty but not the situation in europe. a daring rescue to pull hundreds out of nearly 100 inch of snow. >>> and a deadly accident in australia. what happened to a send a chopper crashing to the ground. you are watching what's new, now and next on this monday morning, thanks for making us a part of your day. at lysol, we discovered a problem. the more products we touch around the sink, the more dirt can spread around the kitchen, and the more germs we can spread on our hands. that's why we created the lysol no-touch kitchen system. one no-touch solution for sparkling dishes, plus clean surfaces, plus healthy hands. because our mission is a healthy home made simple. lysol. mission for health. >>> now is around world. t

. >> reporter: dr. boyle from gbmc joins us this morning as she does every monday and we will talk about diet soda and why it's bad for you. what are some of the biggest effects it can have on your body that's negative. >> diet soda has a lot of negative effects. we may not realize it. it's very dehydrating because of the caffeine. but there's a study that came out that linked diet soda to an increased risk of vascular or cardiac event like strokes or hart attack. >> do we know why? >> we don't. and it was not a study that showed cause and effect. so it may be you're grabbing the diet soda and having some fries and a burger and gives us license to eat worse but it's linked to metabolic syndrome which gives you er risk of developing heart attack or stroke. like high blood pressure elevated cholesterol. diabetes those things. >> okay. and we are talking diet soda everyone says moderation is key. what is moderation one a day? >> that's the thing about the studies. moderation you think if i have one that's fine.

dr. karen boyle who joins us from gbmc. you and i both have kids. >> yes. >> reporter: megan you have kids and we know how important it is for them to get sleep. >> so important to get good night sleep for our children. it's hard to do sometimes. and there's no perfect number. there's a study that came out recently that confarms lot of what we -- confirms a lot of what we thought. children are not getting enough sleep. we know that. when you look at lifestyles, and school and all the things going on, it's difficult for us to create really routine sleep patterns for our children. now there's no perfect recipe and even though the study came out and said our children are not getting enough sleep, they are not quick to sort of say these are the set hours that they need to get. because every family is different and every child is unique. but there are general guidelines that you know we should review. but it's very important that our children should get regular sleep every night, and younger children to take a nap and keep in th

dr. boyle is here to talk to us about sleep. sleep in a new study showed if you -- it's linked to your body weight? >> well it is. if you get less sleep, actually met ballic changes occur -- he -- metabolic changes occur that affect your metabolism and if you sleep more you can burn more fat. >> reporter: how long are we talking? should we be getting 8 hours is that -- >> would all love to get -- we would love to get 8 hours but a lot skimp by 5 to 6. but if you get 7 or more that's good and can positively affect your metabolism which can help us burn fat. there's another study that came out that showed the amount of sleep you have can affect the ratio of fat burning to muscle loss. so if you sleep more and you're exercising it helps to build muscle and burn fat. >> reporter: and you talked about the quality of sleep because that's important right? what kind of sleep should we be getting? >> we should try to strive for as much sleep as we can. as grownups with jobs and families it's difficult but the amount of sleep we get is no