Tufts Study Finds 10%-15% Calorie Cuts Lower Age-Related Disease Risk
Updated
Updated · SciTechDaily · May 25
Tufts Study Finds 10%-15% Calorie Cuts Lower Age-Related Disease Risk
1 articles · Updated · SciTechDaily · May 25
A roughly 12% calorie reduction over two years improved blood pressure, LDL cholesterol, insulin levels and glucose control in healthy adults, according to Tufts-led findings from the long-running CALERIE study.
The trial enrolled 143 people assigned to cut calories by 25% and 75 controls, but researchers said even the smaller achieved reduction delivered meaningful benefits and about 10% body-weight loss.
Urine tests suggested a possible mechanism: participants eating fewer calories showed lower levels of reactive oxygen species, molecules linked to cellular damage and diseases including cancer and Parkinson's.
Researchers are now analyzing follow-up data collected more than a decade later to see whether participants maintained lower intake and whether the health effects persisted.
This study praises eating less, but could eating smarter be the actual key to a longer, healthier life?
Does the promise of healthy aging from calorie restriction hide a dangerous trade-off with muscle and bone loss for seniors?
If health benefits vanish with weight regain, is calorie restriction a lifelong sentence or a temporary tool?
Modest Calorie Restriction Slows Biological Aging: Insights from the CALERIE Trials (2022–2026)
Overview
Recent research from 2022 to 2026, especially the CALERIE Phase 2 trial, shows that modest calorie restriction can significantly slow biological aging in healthy, non-obese adults. In this large, multi-site study, participants aimed for a 25% reduction in calories but maintained about 12% over two years, leading to a sustained 10% weight loss. This modest reduction improved body composition and slowed the pace of aging, marking a major step forward in understanding how calorie intake affects longevity and health span. These findings highlight the real potential of moderate calorie restriction as a safe and effective strategy for healthier aging.