The timing of food intake throughout the day can alter circadian clocks and metabolism to modulate the course of obesity. We conducted a systematic literature review to determine whether the timing of meals could alter the change in body weight after bariatric surgery in adults. Twelve cohort studies examined the association between meal timing and changes in body weight after bariatric surgery. Eight studies suggested an association between meal timing and weight loss. All studies examined simple exposure variables such as frequency of breakfast or dinner consumption and overnight meals. Overall, the low-quality evidence that food consumption at the end of the day is associated with lower weight loss after bariatric surgery in adults warrants further research.
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Cossec, M., Atger, F., Blanchard, C. et al. Daily Timing of Meals and Weight Loss After Bariatric Surgery: a Systematic Review. OBES SURG (2021). https://doi.org/10.1007/s11695-021-05278-0
- Bariatric surgery
- Weight loss
- Eating rhythms
- Circadian rhythms
- Weight regain