Migraine & Headache Triggers Migraines and headaches have multiple possible causes, which I cover in Brain Saver. Then there’s also triggers, which aren’t the causes of migraines, but can contribute to the onset of a migraine or headache. Some of these triggers include electrolyte deficiencies, B12 deficiency, and adrenaline release from stress, caffeine, not eating often enough, and more. Watch this video to find out more triggers and find out how to heal in Medical Medium Brain Saver and Medic