A new perspective paper published in Frontiers in Nutrition argues that current public health recommendations for physical activity and protein intake are designed to prevent deficiency rather than maximise long-term health, independence, and quality of life.
Author Dr Chris Macdonald – Fellow of Lucy Cavendish College, University of Cambridge, and Director of the Better Protein Institute – says contemporary science reveals that higher levels of exercise and greater protein intake than current recommendations help people maintain physical and cognitive function as they age.
The paper reviews evidence linking regular physical activity with lower mortality risk, improved mental health, enhanced cognition, and greater resilience against age-related decline. It highlights research suggesting that combining aerobic exercise with resistance training provides particularly strong benefits. The review also examines protein intake recommendations.
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