Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...

Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...

明日（1月22日）2025年粤港澳大湾区灯会将闪耀开启去看吧去了不会后悔六个不能拒绝的超值理由逐个睇The 2025 Guangdong-Hong Kong-Macao Greater Bay Area Lantern Festival will ...

【来源：中国日报网】冬天对大部分人来说都是一个“易病”的季节，有一种维生素与免疫力密切相关，而冬天却是人体含量最低的季节。 上海市第十人民医院内分泌代谢科副主任医师崔冉表示，人体维生素D水平有一个生理性的波动，夏天比冬天要高一些，冬天是一年四季中维生素D水平最低的季节。