Today is the 6th day of my headache and I'm really scared about making things worst by using the CESta again. Is it possible to develop a chronic headache from simply using a CES unit at 100 hz for 45 minutes? I've used it so many times before and never had this issue.
I spoke to the people at Mind Alive and they said to drink lots of water, which I did, and they assured me that the unit is incapable of emitting more than 100 hz due to it running on a 9 volt battery. I thought that possibly while I was asleep I got a surge of electricity or something that might have caused this, but apparently that has been ruled out.