Steve Inskeep, NPR, Rachel Martin discussed on Morning Edition


Ambition can't wait edition from NPR news I'm Rachel Martin I'm Steve Inskeep how does intermittent fasting affect your health by intermittent fasting we mean people who fast part of the time some skip one meal a day some don't eat at all for several days per week NPR's Alison Aubrey reports on a study that tracked what happens when people go hungry for fourteen hours per day there are lots of trendy ways to fast some people skip multiple meals some fast a few days a week but Pam tiled a cardiologists at UC San Diego says there hasn't been a lot of evidence on which strategies are effective there's a lot of bogus claims out there people telling extreme versions such as two day fast which can be dangerous Taubin her collaborators decided to test a simple and much more moderate approach they ask people to restrict to their eating to attend our window each day we didn't ask them to change what they ate we didn't ask them to change the number of calories that they consumed the only instruction was to stick to the ten hours so if they ate breakfast at eight AM their last bite of food for the day we need to be eaten by six o'clock PM making for pretty early dinner the participants followed this diet for three months and tab says she really didn't expect the results she found we saw a three percent reduction in their weight and a four percent reduction in the abdominal visceral fat so it is surprising to get these types of results especially since all the participants really did was to stop eating a few extra hours each day it turns out that by shutting off eating early the participants all of whom were overweight and at risk of diabetes eight about eight percent fewer calories but this alone tab says is unlikely to explain the weight loss she thinks there may be other factors at play so when you go into a fasting state typically over ten hours of fasting you start to deplete the glucose stores in your body and you start to use fat as your energy source in other words rather than viewing your body on stored sugars you begin to fuel your body was stored fat this study was small Taubin her collaborators have a larger and I H. funded study under way for now the new findings offer some preliminary of is that a fourteen hour fast can be beneficial when you're constantly giving the body calories you're constantly making yourselves and work Tom says think of a few extra hours of fasting as a way of giving your metabolic organs some rest Alison Aubrey NPR news if you are one of the millions of Americans who owns a rescue dog you may not know what preacher pedis since most Mozart combination well there is a way to find out more about your dog ancestry with a DNA testing kit although some that say don't take the results too seriously here's an here's Patty neighmond where this wiki let's get the squeaky toy Marie Morris was told her dog Hanya was a German shepherd mix and she definitely looks like a German shepherd only she is mobile lighter in color and much smaller where's My Girl can you shake but when cordis take Sonya out for walks she sometimes hears comments that are concerning this one little boy that even said mommy look at that lease walking a coyote because she is about the size of a coyote she has the same coloring other people said she looks like a wolf for she looks like a fox so cordis decided to find out she went online order to DNA kit swamped on his mouth for saliva put it in a tube mailed it off and one week later what came back was that eighty eight percent of her is German shepherd so that tells you that one parent was probably appear bread and the other parent was a mix and they identified it as is the hound family so it's like greyhound bloodhound with pets definitely not a fox wolf or coyote what does it really make a difference what breed your dog is doctor Angela Hughes of that merry geneticists with Mars petcare which makes a dog DNA test says knowing the breed helps you understand your dog better what makes them tick why do they look the way they do why they act the way they do it helps use with her own dog who turned out to be part Russell terrier and part Australian cattle dog understanding that that's just how she is hard wired that she needs a lot of exercise and she needs you know certain things let terriers need like you know a quiet dark place today and so that she can kind of get away and not feel like she has to be on patrol all the time recognize that she's going to go ballistic at the sight of any squirrel those sorts of things and that she's not just trying to irritate me but that's how how she works but these testing kits are also being used to check for potential health problems and veterinary bioethicists Lisa Moses says this is where the problems come in she's with Harvard medical school's center for bioethics I want pet owners and veterinarians to understand that they should not be using direct to consumer dog DNA testing to make medical decisions about individual animals Moses says the tests aren't that accurate in part because the FDA doesn't regulate them and just because a DNA test suggests a vulnerability to disease she says it doesn't mean the dog will actually get it it's quite possible that you would end up doing a lot of unnecessary testing to look for signs of disease if you have a dog who seems perfectly healthy and not only could that be costly but it could also be invasive and potentially even harmful to your dog especially Moses says if people make treatment decisions based on misleading DNA results but I see that could possibly happen that would be really bad as people choosing to do treatments and things that would end up being for a wrong diagnosis if you're concerned about a health problem Dr John how president.

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