Hepatic aging refers to age-associated changes in liver structure, metabolism, and regenerative capacity. Aging livers show reduced blood flow, altered hepatocyte metabolism, and increased inflammatory signaling. Detoxification efficiency declines, affecting drug metabolism and toxin clearance. Hepatic aging also alters lipid and glucose metabolism, contributing to metabolic disorders. Cellular senescence and mitochondrial dysfunction reduce hepatic adaptability. Despite preserved baseline function, hepatic reserve decreases significantly with age. Understanding hepatic aging highlights the liver’s role in systemic aging and metabolic regulation.
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