A major review of more than 350 studies suggests that reducing protein intake could slow aging, improve metabolic health, and potentially extend lifespan, challenging the widely held belief that more protein is always beneficial. The findings, reported in the Health category, indicate that many sedentary adults may be consuming protein in excess of their needs, and that moderating intake could yield measurable benefits for long-term health. The review synthesizes a broad body of existing research rather than presenting new trial data.
Researchers caution that protein requirements are not uniform, emphasizing that individual needs vary according to age and physical activity levels. Older adults and those engaged in regular exercise may require higher intake, while less active individuals could benefit from reduction. The review stops short of prescribing universal limits, instead urging a more personalized approach to dietary planning. The findings add to a growing debate over optimal nutrition guidance and are likely to draw attention from health professionals and policymakers alike as they weigh recommendations for aging populations.
Independent reporting synthesized from primary wires and global correspondents.