Author: Candice Choi
NEW YORK (AP) — Bacon and black coffee for breakfast, or oatmeal and bananas?
If you’re planning to try to lose weight in 2019, you’re sure to find a fierce debate online and among friends and family about how best to do it. It seems like everyone has an opinion, and new fads emerge every year.
Two major studies last year provided more fuel for a particularly polarizing topic — the role carbs play in making us fat. The studies gave scientists some clues, but, like other nutrition studies, they can’t say which diet — if any — is best for everyone.
That’s not going to satisfy people who want black-and-white answers, but nutrition research is extremely difficult and even the most respected studies come with big caveats. People are so different that it’s all but impossible to conduct studies that show what really works over long periods of time.
Before embarking on a weight loss plan for the new year, here’s a look at some of what was learned last year.
FEWER CARBS, FEWER POUNDS?
It’s no longer called the Atkins Diet, but the low-carb school of dieting has been enjoying a comeback. The idea is that the refined carbohydrates in foods like white bread are quickly converted into sugar in our bodies, leading to energy swings and hunger.
By cutting carbs, the claim is that weight loss will be easier because your body will instead burn fat for fuel while feeling less hungry. A recent study seems to offer more support for low-carb proponents. But, like many studies, it tried to understand just one sliver of how the body works.
The study , co-led by an author of books promoting low-carb diets, looked at whether varying carb levels might affect how the body uses energy. Among 164 participants, it found those on low-carb diets burned more total calories than those on high-carb diets.
The study did not say people lost more weight on a low-carb diet — and didn’t try to measure that. Meals and snacks were tightly controlled and continually adjusted so everyone’s weights stayed stable.
David Ludwig, a lead author of the paper and researcher at Boston Children’s Hospital, said it suggests limiting carbs could make it easier for people to keep weight off once they’ve lost it. He said the approach might work best for those with diabetes or pre-diabetes.
Ludwig noted the study wasn’t intended to test long-term health effects or real-world scenarios where people make their own food. The findings also need to be replicated to be validated, he said.
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