What is a Headache and Causes of Headache
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What is a Headache and Causes of Headache

What is a Headache and Causes of Headache. Types of Headaches and Headache Diagnosis. Cause of Migraine Headache. Causes of Chronic Headaches.

Headache is very common and often taken very lightly. It’s a pain between head or neck or it’s a pain in the area of head and neck. There are various causes of headache. Headaches are usually harmless but can be the symptoms of many dangerous diseases as well. Normally headaches occur because of the stress and that means body needs extra energy or water to work properly. Minor headache are very common and it is absolutely normal to have headaches every now and then. Major headaches or chronic headaches though are serious issue. It indicates something threatening and dangerous for health.

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Causes of Headache - What Causes Headaches

Well, there are numerous reasons that can trigger a headache. Tension headaches are very common and this happens due to many reasons. It is a condition when there is a contraction of muscles in the head, neck and shoulder. This type of headaches gives a dull feeling and a feeling of heaviness or tight band around the head. Tension headaches occur for many reasons such as bad posture, use of computer for a long time, hold the head in one position for a long time, bad sleeping posture, lack of sleep, stress, overwork, depression and anxiety. In addition, smoking, alcohol consumption, drinking of coffee and, having foods like chocolate, cheese and flavour enhancer can also trigger tension headaches.

Another type of headache is cluster headache or histamine headache. It is a painful recurring headache associated with the release of histamine from cells. Cluster headaches can happen because of the drop of oxygen levels or hypoxemia. It can also occur because of tobacco, alcohol, histamine and stress. Cluster headaches are complex and not fully understood. Cluster headaches are typically sharp, occur several times per day and go away for a similar period of time. This is why there is a theory that cluster headaches are associated with the abnormality in the hypothalamus (a basal part of the diencephalon governing autonomic nervous system).

Migraine headaches are most serious and intense kind of headaches. This throbbing pain usually occurs in one side but can affect both sides of the head. It is not completely understood why migraine headaches occur. But there is a possibility that migraine headaches happen because of the imbalance in the trigeminal nerve. This may cause inflammation of blood vessels in the brain. The other theory is that a migraine attack does happen because nociceptors (nerve cells in the brain) release chemicals called neuropeptides and it increases the pain sensitivity of other nearby nociceptors. Migraine headaches can be hereditary, but the gene or genes responsible for making it hereditary yet to be identified. It is said that if both parents are affected with migraine attack the then a child has 70% of chance of developing migraine. Often migraine headaches are linked with light and sound sensitivity or with nausea and vomiting.

Other causes of headaches are including glaucoma (eye disease that damages the optic nerve and impairs vision), refractive eye disorders, hypertension, tumour and aneurysm (a cardiovascular disease characterized by a saclike widening of an artery resulting from weakening of the artery wall). Headaches can also occur because of hormonal imbalance, nutrient deficiencies and meningitis or encephalitis.

In general, headaches can be harmless and a common condition. But chronic headaches can be a symptom of many underlying diseases. People who are suffering from headaches for a longer period of time should consult to a healthcare professional or doctor immediately.

Sources:

http://neurology.health-cares.net/headache-causes.php

http://www.acponline.org/patients_families/diseases_conditions/headaches/

http://headacheaustralia.org.au/what-is-headache

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Comments (2)

Headaches are common disorders but we often take for granted what causes them. These facts very well enlighten everyone.

I just wonder if they have these headaches a long, long time ago. It's unfair that we have them now :) Good post!

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