Health tech has a rocky history. For every story of the Apple Watch saving someone’s life, there’s a Theranos out there ruining it for everyone. Yet the sector marches on. We all want to be healthy and know more about our bodies — and this is an opportunity for profit that tech companies can’t ignore. The problem is that, as consumers, we struggle to separate the wheat from the chaff, the hard science from the cosmetic. Take, for example, the heart monitoring features on popular wearables like the Apple Watch or the Fitbit Charge. These are useful tools for general…
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