健康与医疗系统
你的国家有多热衷于运动？智能手机给了我们答案
我们都知道，不运动是无法达到更好的健康状况的，但我们却仍旧吃太多，运动少。 世界卫生组织（WHO）估计，有近20亿成年人（超过全球人口的四分之一）都存在超重或肥胖问题。 而我们的智能手机正借助着运动传感器，为研究人员提供一幅更清晰的图景——我们做了多少运动？有没有做运动？
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