AI Insight
A six-month study of older women found that those who restricted their eating window to 8-9 hours per day showed improved performance on cognitive tests measuring planning and problem-solving abilities compared to those who ate over a 12-hour period. Both groups experienced similar weight loss, suggesting that the timing of food consumption may independently influence cognitive function beyond the effects of caloric restriction alone.
Why it matters
This research suggests that time-restricted eating could be a practical intervention to help preserve cognitive function during aging. If confirmed in larger studies, this approach could offer a simple dietary strategy to support brain health in older adults without requiring significant weight loss.
Understand the Science
Eating within a shorter daily window may help protect certain thinking skills as people age. In a small six-month trial, older women who limited eating to about 8 to 9 hours a day performed better on planning and problem-solving tests than those who ate over 12 hours. Both groups lost similar amounts of weight, hinting that when people eat could matter in addition to how much they eat.
Source: Eating within 8 hours may help keep the aging brain sharp