<p>➀ Researchers from Zhejiang University developed a wearable system (CWSCCM) enabling continuous cortisol monitoring through sweat analysis; </p><p>➁ The device combines molecularly imprinted polymers for detection, organic electrochemical transistors for signal amplification, and wireless data transmission; </p><p>➂ Validated in real-world conditions, it shows potential for stress management and personalized healthcare applications.</p>