Headaches are relatively common. There are many causes including lack of fresh air, lack of food, eye strain, stress, too much alcohol, high blood pressure, caffeine withdrawal.
The information in CyberChemist has been prepared by New Zealand
health professionals for New Zealand residents and is of a general
nature only. It is NOT intended as a substitute for professional
health advice for persistent or serious health problems. If in doubt
please see your doctor. Disclaimer and Copyright