Chinese athletes (from left) Cidan Yuzhen, Suolang Quzhen and Yu Jingxuan compete in the women's ski mountaineering sprint ...

研究表明，过瘦人群在遭遇意外急症时，比体重正常的人更易脆弱，反映出体重与健康之间复杂的关系。那么，瘦到底等于健康吗？如何判断自己是否“过瘦”，并探索科学增重的方法，将是我们今天探讨的核心话题。

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

Scientists researching Alpine glaciers store ice in Antarctica. By analysing air bubbles in the ice they may be able to predict the future ...