The Federal Trade Commission is sending 70,142 checks and PayPal payments totaling $3,864,824 to consumers nationwide who bought Quell, a wearable device that supposedly would treat chronic pain throughout the body when placed below the knee. According to the FTC, Massachusetts-based NeuroMetrix, Inc. and its CEO, Shai Gozani, sold Quell—a transcutaneous electrical nerve stimulation device—to […]