A new blood-draw device that’s painless but more reliable than a finger prick has been developed by researchers in Zurich to help physicians bypass two major problems with taking blood samples. Needle phobia is a real thing, and can lead to sudden exhaustion, fainting, and dehydration. On the other hand, the classic finger prick device […] The post Less Invasive Way to Collect Blood Is Inspired by Leeches and Needs No Medical Training appeared first on Good News Network.