Smart rings; downloadable software application for smart rings for tracking, gathering, monitoring, detecting, recognizing, storing, transmitting, managing and assessing biometric and physiological data, vital signs and personal health records, and for providing medical advice; recorded software application for smart rings for tracking, gathering, monitoring, detecting, recognizing, storing, transmitting, managing and assessing biometric and physiological data, vital signs and personal health records, and for providing medical advice; wearable computers in the nature of smart bracelets, smart necklaces, smart glasses and smart rings; wearable digital electronic communication devices; smartphones; tablet PCs.