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Neurons Lose Their “Adaptability” in Old Age
Summary: Every thought has a price tag. Neurons require an immediate burst of energy to fire, but as we age, the brain’s “metabolic efficiency” begins to decline. Researchers have launched a five-year, $3.3M NIH-funded project to build the first whole-brain theory on how this metabolic cost impacts cognitive decline. By looking beyond traditional “amyloid plaques,” the