Wearables have mastered tracking how we move, breathe and sleep with near-clinical precision. But they still fall short on one of the most important pieces of the health puzzle: diet. Beyond calorie-tracking apps or invasive lab tests, our…

Wearables have mastered tracking how we move, breathe and sleep with near-clinical precision. But they still fall short on one of the most important pieces of the health puzzle: diet. Beyond calorie-tracking apps or invasive lab tests, our…