Everything you need to start keto in 2019

Dr. Jennifer Ashton, ABC News' chief medical correspondent, breaks down the keto diet to see if it's right for you.
2:15 | 12/31/18

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Transcript for Everything you need to start keto in 2019
If you want to lose week to start than me here. You have to find what works for you there's a lot of diet and we've inspires you for trendy you have to find what works. But in general even people who were busy travel a lot who work at five. It's pretty easy if you want to follow Hedo ask type of diet so. Kato diet it's been really really popular super trendy. Basically what it's short for is the words keep hoses which is when the body. Action lead burns fat as a source of fuel and produces what's called key tone bodies this is way and there is no carbohydrates no sugar and her bloodstream our bodies super efficient starts breaking down fat. Basically it involves if you really gonna do it by the book less than 25 grams of carbohydrates in any form per day. That can be kind of hard because we're talking about fruits some vegetables. Obviously any red means confidence we. You know really really kind of out of the pictures so basically you're eating. High protein high healthy fat. Very very low car. When people do this. They lose weight. Really quickly here you could lose easily more than two pounds a week. And you know because your body switches from burning cars to burning fat as its fuel the opponents of he'd say. This is not healthy super long term because you're not eating a lot of fruits and vegetables which of course are good for us for many reasons fiber. Micro nutrients so again it's. Me being right for some people eat is. For some people easy to sustain and and relatively simple to follow I would not recommend this type of diet for someone with diabetes. Who actually does need sugar in the blood to keep their blood glucose levels and evil people like it as a quick way to lose weight and again short term it can be it can be saved and beaten to death.

This transcript has been automatically generated and may not be 100% accurate.

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