A new study published in PLOS Genetics by researchers at Chiba University, Japan, has revealed that high-fat diets may impair memory formation by disrupting autophagy, a key cellular process responsible for recycling damaged components.

With modern lifestyles increasingly dominated by processed and fatty foods, high-fat diets (HFDs) have been linked to conditions like obesity , diabetes and metabolic disorders . More recently, researchers have also begun investigating the impact of such diets on brain health.

The research team used Drosophila melanogaster, the common fruit fly, as their model. Fruit flies share many metabolic and neural pathways with humans, making them ideal for studying complex biological processes like memory formation. The researchers fed the flies either a

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