The theory was tested on 164 patients, half of whom had a real treatment while the other half got a sham procedure. Thirty-nine percent of those who got the real thing were pain free two hours later.
Process appears to zap migraines away
The zapping is done by a handheld magnetic device.
When a patent feels a migraine coming on they hold it to the back of their head.
The device then delivers two quick magnetic pulses into the brain which scientists believe short circuit the headache process.
