These Substances may Cause Headaches
– High Blood Pressure ( Benign Intracranial Hypertension)
– Caffeine withdrawal
– aspartame (artifical sweetener)
– Ethanol of Alcohol may trigger Headaches in persons with Histamine Intolerance
– Monosodium Glutamate (MSG) by over-stimulation of the N-methyl-D-aspartate (NMDA) Receptors in the Brain.
– Tyramine found in certain foods and Medications called monoamine oxidase inhibitors (MAOIs) block monoamine oxidase
That can trigger Headache.
– Electromagnetic Radiation (Microwaves, Cell-phones)
– Hormones imbalance
– Stress
– Concussion
– Hypothyroidism
– Pre-Menstrual Syndrome (PMS)
– Fibromyalgia – approximately up to 70% of Fibromyalgia patients experience Headaches (or Migraines)
– Chronic Fatigue Syndrome (CFS)
– excessive release of ArachidonicAcid from Cell Membranes
– Intestinal Permeability can be an underlying cause of Headaches (especially when Headaches occur after eating)
– Excessive proliferation of Candida albicans (when it enters the bloodstream)
– Celiac Disease may result in Inflammation in the Brain that leads to Headaches
– Infection Headaches occur as a result of Infection  – Sinusitis is the most common trigger.
– Pharmaceutical Drugs
– Recreational Drugs
– Excessive dosages of Vitamin A
– over 100 mg of  Vitamin B3 may cause Headaches in some people
– Excessive consumption o fVitamin D