why do people get headaches?!
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There are many reasons. Sometimes it is just a sinus headache caused by increased pressure in the brain. Sometimes it is a stress headache. Sometimes it is from uncorrected eyesight. Sometimes it is because they hit their head badly. Sometimes it is because they were exposed to a gas. Sometimes it is an indication of something worse.
If it is a migraine the rule to go by is to eliminate one of the causes of migraines at a time until you discover what triggers your migraines. They are:
Citric acid
Stress
Alcohol
Bad sleeping habits
Chocolate
Caffeine
Certain Smells
This is what I was told by my doctor. I am sure there are many more answers. Basically my answer is that there is no one answer.
If you are asking about the mechanics of a headache, as I understand it there is an excess of electricity in the brain. The synapses are shooting off at an excessive rate.
Other Answers:
While almost everybody has occasional headaches, the best estimates indicate that between 40 and 50 million Americans suffer from chronic or repeated headache. Headache may be the most common reason for missing work or school in this country, and many more sufferers drag themselves to work to endure a day of decreased productivity.
Q. Can headaches be a symptom of some serious disease?
Headache can occasionally be caused by bleeding, tumor, or infection inside the skull, or else by diseases involving teeth, eyes, or sinuses. Flu or any sickness that causes fever can also cause headache. Such headache is known as secondary headache because it is due to--or secondary to--other problems. That is, the headache is only a symptom of some other disorder.
The vast majority of the more than ten million Americans who visit physicians each year for headache, however, suffer from what is known as primary headache, including migraine, "tension-type headache," and cluster headache. For these individuals, the headache itself is the primary problem and not just a symptom of some other disease.
Chronic headache is serious because it can interfere with the quality of daily life and reduce human productivity. It is a valid biological disorder, as real as diabetes, arthritis, or heart disease, and deserves the careful attention of the medical profession. Fortunately, research breakthroughs in the last several years have helped physicians understand much better what actually happens in the body during a headache attack. This knowledge has led to new and highly effective treatments that make control possible for most headache sufferers.
A few headache types should be cause for alarm and reason enough for you to seek prompt medical attention. If you have the sudden onset of a headache that is very severe and different from any other headache you've had in the past, or if a headache seems to be steadily worsening instead of getting better with the passage of time, you should see your doctor right away. If you have a headache with fever and stiff neck, you should seek immediate medical attention since this could mean meningitis or other serious infection. Headache that lasts for more than a week following a head injury should also be checked.
If you have headache accompanied by any neurological symptoms such as disturbed vision or speech, numbness or weakness in one part of the body, blackouts, or difficulty thinking and remembering, this must be investigated.
None of these things is a sure sign of life-threatening illness, but you'll feel relieved having them checked out. If you do have something seriously wrong, you're more likely to have a good outcome if you get early treatment.
Q. If tests and examinations don't show any underlying disease, what is causing the headaches?
Considerable medical evidence suggests that migraine, "tension-type", and cluster headache are caused by an electrical and chemical instability of certain key brain centers that regulate blood vessels around the head and the neck, as well as the flow of pain messages into the brain. This instability, similar to that which causes seizure disorders, seems to be inherited and appears to involve chemical messengers known as neurotransmitters. The neurotransmitter serotonin, in particular, plays a key role. Like seizure disorders, these headaches can be treated by using drugs that stabilize brain chemistry.
Headaches come from low oxygen to the brain. By drinking water that allows you to get the necessary oxygen
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