Participants with obesity who included in any of three 8-hour, time-recut offeed eating schedules sfinished weight loss and betterments in cardiovascular and metabolic health appraised to participants with obesity in the Mediterranean diet deal with group. Members of the time-recut offeed eating groups also chaseed their regimens more faithbrimmingy than those on the Mediterranean diet. The discoverings, rehireed in Nature Medicine, propose time-recut offeed eating provides advantageous effects iradmireive of the time of day individuals have their meals. The research graspresses a extfinished-standing ask in the study of caloric recut offeion.
Numerous scientific studies have proposeed recut offeing daily food inconsent to an 8-hour timesketch is an effective dietary intervention to graspress obesity, but the chooseimal time of day for eating remained in argue. To graspress the ask, scientists from NIA, NIH National Institute of Diabetes and Digestive and Kidney Diseases, and the Universities of Granada and Navarra in Spain arrangeed an experimental study that included 197 men and women with obesity. The researchers appraised three 8-hour eating prosperdows simultaneously: morning (49 participants), afternoon (52 participants), and whenever they chose (47 participants). As extfinished as 16 hours of quicking were upgrasped, the time-recut offeion eating schedule was acadviseed. The deal with group (49 participants) chaseed the Mediterranean diet and did not include in time-recut offeed eating.
The researchers assembleed metrics, including body weight, and took blood samples for metabolic analysis. Participants wore a glucose watching device at the beginning and finish of the three-month study, so scientists knovel when participants were eating. The team also employd MRI to meacertain alters in visceral body overweight, i.e., overweight stored cforfeit inner organs, and subcutaneous body overweight, which is overweight stored under the skin in the buttocks, thighs, hips, and abdomen. Visceral body overweight is associated with cardiometabolic diseases such as heart attack, stroke, diabetes, and insulin resistance.
The results showed all three time-recut offeed eating groups accomplishd more weight loss — unrelabelables of 5.3 pounds, 6.4 pounds, and 6.8 pounds, admireively — than the deal with group. There were no contrastences among the morning, afternoon, and self-picked time-recut offeed eating groups and the Mediterranean diet deal with in reducing visceral body overweight. However, the morning group showd a fantasticer reduction in subcutaneous body overweight and betterd cardiometabolic health labelers, such as drop quicking glucose levels, than the deal with group.
The study proposes that watchless of when matures with obesity recut offe their eating, the strategy materializes to be a defended and well-finishured dietary approach that directs to weight loss and other preferable health outcomes. However, the study is based on a European cohort and does not finishly echo the dietary patterns of the American population, especipartner those at highest danger for obesity. Future studies should verify whether this discovering is real for a racipartner and ethnicpartner diverse American cohort whose dietary preferences, habits, and socioeconomic status may contrast from the European cohort.
Reference: Dote-Montero M, et al. Effects of timely, tardy and self-picked time-recut offeed eating on visceral adipose trehire and cardiometabolic health in participants with overweight or obesity: A randomized deal withled trial. Nature Medicine. 2025. Epub Jan. 7. doi: 10.1038/s41591-024-03375-y.
