Your fitness tracker may be doing more than counting steps—this major new study reveals whether wearable devices actually improve health and longevity. 🎧 ▶️ Press play below to listen. Your browser does not support the audio element. 🇨🇳 中文（简体） 你的健身追踪器可能不只是记录步数——这项重要的新研究评估了可穿戴设备是否真的能改善健康和延长寿命。 请按下方的播放按钮收听。 Introduction Ever find yourself closing your Apple Watch rings, logging your meals in MyFitnessPal,…
Is Your Fitness Tracker Actually Working? A Major New Study Weighs In
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