The naturalist John Muir saw how everything in nature is connected — and today AI is showing us the same truth inside the body. From Apple Watch studies on atrial fibrillation to new hypertension alerts, hidden links in long-collected data are transforming how we understand health.

The overwhelming majority of health-relevant data —movement, behavior, speech, sleep — is now generated outside the clinical setting. As a result, health innovation is increasingly shifting toward consumer devices and tech platforms that actually hold the data — not the EHR or the healthcare system.