Being able to keep up with notifications using a smartwatch or other wearables is nice. But a wearable device that can take your headache away would be priceless. That’s what Cefaly does apparently. The FDA has now approved this device, which means more of us will get to try it to figure out how well it works. This is a battery powered device you wear above your eyebrows. The device stimulates the nerve causing migraine pains, produces endorphins, and raises the level of pain threshold.