This Fingertip Patch Tracks Parkinson’s Medication Using Sweat

A battery-free sweat sensor could make levodopa monitoring faster and more personalized for people with Parkinson’s disease. For people with Parkinson’s disease, the effect of a levodopa dose can fade abruptly, allowing movement problems to return before the next scheduled dose. Engineers and neuroscientists at the University of California San Diego have developed a soft [...]