There’s a genuine gap for AI to fill here. A 2026 Nature Communications study found that wearables are good at producing summaries, but much less useful when people want personalized answers about their own data. An AI agent built by the researchers reached 84% accuracy on objective numerical questions. Your smartwatch can tell you that your sleep was worse than usual or that your recovery score dropped. What it often can’t do is explain those changes in a way that feels useful. AI...