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Skip those late-night meals to reap anti-aging benefits – study

20/05/2022

Calorie restriction has long been known to have anti-aging benefits, but now new research suggests timing can also play a role. According to the study by researchers at the University of Texas (UT) Southwestern Medical Center in Dallas, the timing of meals contributes to the life-extending effects of calorie restriction. Studying mice, the researchers found that following a calorie-restricted diet, the rodents that only ate during the active phase of their circadian rhythm lived nearly 35% longer than control mice that were allowed to eat whenever they wanted. Both animals and humans have circadian rhythms, the purpose of which is to control daily cycles of physiology, metabolism, and behaviors like eating. In mice, which are nocturnal, the normal time to eat is at night. The study revealed how eating at other times had a significant impact on lifespan. “We have discovered a new facet to caloric restriction that dramatically extends lifespan in our lab animals,” says senior author Dr. Joseph Takahashi, Howard Hughes Medical Institute Investigator and chair of neuroscience at UT Southwestern Medical Center. “If these findings hold true in people, we might want to rethink whether we really want that midnight snack,” he adds. The study is published in the journal Science. *image by DanaTentis from Pixabay

Tackling obesity: What you eat is more important than when you eat - study

26/04/2022

If you're trying to lose weight, focusing on what you eat instead of when you eat could be the key to success, new research suggests. According to the Chinese study, the results of which are published in The New England Journal of Medicine, the number of calories you consume has a greater impact on your weight than when you eat. For the study, 139 obese individuals were put on a calorie-restricted diet. Men were told to consume between 1,500 and 1,800 calories per day, while women were limited to 1,200 to 1,500 calories per day. Half of the study participants were then also told to follow a time-restricted eating pattern, which saw them only able to consume their daily food allocation between 8am and 4pm each day. The results show the group using just calorie restrictions lost an average of 6.3kg while the group that was also under time restrictions lost an average of 8kg during the 12-month study period. The researchers say the difference between the two groups is so negligible that it suggests adding time restrictions is no more beneficial with regard to reducing body weight, body fat, or metabolic risk factors than just daily calorie restriction alone. *Image by hectordarismendi from Pixabay

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