Developed a full-stack Smart Respiratory Health Monitoring System using React.js, Node.js, Express.js, and MongoDB. Integrated Features: Secure online payments for seamless transactions. Virtual consultations with healthcare professionals. AI-powered chatbot for instant query resolution. Role-based authentication with JWT for enhanced security. Mobile-responsive UI for a seamless user experience. REST APIs for booking, schedule management, and payments. Advanced Functionalities: Symptom tracking for respiratory health monitoring. Medication adherence system to ensure proper dosage tracking. Online appointment scheduling with real-time availability. Air Quality Index (AQI) check for respiratory risk assessment. Emergency alert system for critical health conditions.