Nutrition & Healing · ScienceDaily Nutrition · September 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.

Originally published by ScienceDaily Nutrition. We curate and add context; they did the reporting.

Read the full story at ScienceDaily Nutrition ↗

Related learning

Scientists solve 30-year-old mystery and discover a hidden defense against inflammation Together we are beating cancer | Cancer Research UK AI helps Stanford scientists discover a “natural Ozempic” with a surprising advantage Kids who eat more ultra-processed foods show a troubling brain response