Beyond Heart Rate: How AI Wearables Are Revolutionizing Real-Time Cortisol and Stress Tracking in 2026
You glance at your smartwatch. Heart rate: normal. Sleep: 7 hours. Step count: 8,000. Everything looks fine on paper yet your body is screaming. Your jaw is tight, your focus is shot, and you have been snapping at colleagues since Monday. Sound familiar? Here is the problem: your wearable is lying to you. Not intentionally. … Read more