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What Year Do You Age the Most? Key Aging Spikes in Midlife

According to a 2024 Stanford Medicine study, the body does not age at a steady, linear pace but instead undergoes two major periods of rapid biological aging, or 'spikes'. These dramatic biomolecular shifts occur on average around age 44 and again at age 60, giving a surprising new answer to the question, "What year do you age the most?". The research suggests these intense internal changes can have a significant impact on health, and being prepared can help mitigate their effects.