Tattoos are no more just to beautify someoneâs body or just way of expression. Scientists at Draper Laboratory have given tattoos another meaning. They will soon be prescribing semi-permanent medical tattoos a noninvasive way for diabetic people to keep tabs on their glucose levels. The âPrescriptionâ Tattoos composed of nanoparticles when injected into the skin will respond to glucose in the bloodstream by fluorescing like DayGlo under infrared light thereby letting the diabetic patient to determine if an insulin shot is necessary. Thatâs sounds amazing for tattoos can be stroke of luck of many diabetic people.