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One control group reduced their daily calories by 25% while the second and third groups restricted their eating to eight and 10-hour periods each day, respectively.
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Time-restricted eating or fasting and old-fashioned calorie counting resulted in similar weight loss, new research that pitted the dieting methods against one another shows.
North American researcher Krista Varady joins the latest episode of Newsable to talk through the findings of her study, which was published in the Annals of Internal Medicine.
The research found there was similar weight loss of around 4.5 to 5.5kg, roughly 5% over a year, between the control groups. One control group reduced their daily calories by 25% while the second and third groups restricted their eating to eight and 10-hour periods each day, respectively.
“We’ve seen in our short-term studies that … in general it (time-restricted eating) reduces calories by anywhere from 3 to 500 calories per day,” Varady says.
The low drop-out rate across the groups did surprise Varady.
“I thought adherence would drop off in the calorie restriction group and it would stay high in the time-restricted eating group, but they actually both had fairly similar adherence rates,” she says.
Varady says the study did also indicate that time-restricted eating may lead to greater insulin sensitivity and protect against the development of diabetes.
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