Scientists reversed memory loss by recharging the brain’s tiny engines

Researchers from Inserm and the University of Bordeaux have found a direct link between failing mitochondria — the brain's energy producers — and memory loss in neurodegenerative diseases like Alzheimer's. Using a specially designed receptor called mitoDreadd-Gs, scientists boosted mitochondrial activity in mouse models of dementia and successfully reversed memory problems, suggesting energy failure may trigger symptoms before brain cells even die.