Health technology company NeuroMetrix has just released Quell 2.0, a major update to its wearable therapeutic pain management device that provides more power in an even smaller package. Quell is a 100 percent drug-free system that uses transcutaneous electrical nerve stimulation (TENS) to block chronic pain; users wear the device on the leg, regardless of the site of the pain, and neural pulses are sent to the brain that trigger a natural pain relief…
