Science Daily iconScience DailySep 16, 2026

Scientists reversed biological age in older adults in just 4 weeks

Older adults who changed the balance of fat, carbohydrates, and animal protein in their diets showed signs of reduced biological age after just four weeks. The strongest result appeared in participants eating an omnivorous, lower-fat, higher-carbohydrate diet.

Scientists reversed biological age in older adults in just 4 weeks

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Older adults who changed the balance of fat, carbohydrates, and animal protein in their diets showed signs of reduced biological age after just four weeks.

The strongest result appeared in participants eating an omnivorous, lower-fat, higher-carbohydrate diet.

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Older adults who changed the balance of fat, carbohydrates, and animal protein in their diets showed signs of reduced biological age after just four weeks. The strongest result appeared in participants eating an omnivorous, lower-fat, higher-carbohydrate diet.

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