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经济学人 ||夏令时究竟好不好?
每年实施的夏令时(时钟拨快一小时),在带来更长日照的同时,正被越来越多的研究揭示其深层健康代价。它不仅短期扰乱睡眠,更因干扰人体核心生物钟(昼夜节律),对褪黑素、皮质醇及饥饿相关激素的分泌产生持续影响,进而关联睡眠障碍、代谢紊乱乃至心血管风险等长期健康问题,挑战着这一时间调整的合理性。
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