Although medical science has not yet found the exact cause of headaches, some of the most common causes are related to everyday stress. Headaches are broken down into three basic categories. A primary headache occurs to millions on a daily basis. Primary headaches are what the majority of headaches can be diagnosed as, and are almost never life threatening. Despite this frequency of occurence and a lack of life threatening danger, a primary headache can be very painful. Cluster headaches are a much rarer and far more painful variety, that although not life threatening, can bring about serious pain. Secondary headaches are sometimes a sign of a deeper neurological issue.
Most primary headaches are related to tension. The muscles that surround the skull sometimes contract, putting too much pressure on the head. This can cause a severe amount of pain. Although the reasons behind the contraction of cranial muscles are unknown, it is commonly seen as a result of emotional or physical stress. Significant emotional stress typically results in a contraction of the muscles, and therefore a tension related headache. Prolonged physical stress, such as extended manual labor, is also known to cause tension headaches.
Cluster headaches happen less frequently, and usually only afflict a tiny segment of the population. Sufferers usually experience cluster headaches only for a small window of time, thus the name "cluster" headache. This grouping pattern makes treatment difficult. When a cluster headache occurs, severe and debilitating pain usually follows. Water running from the eyes and nose are common with cluster headaches. Treatment should be undertaken as soon as possible to bring the pain under control.
Secondary headaches occur as a symptom of a more serious problem. This occurs on a far rarer basis than primary headaches. A secondary headache can be indicative of internal bleeding in the brain, a tumor, or a malfunction of the brain. Headaches that occur on a chronic basis should be cause for a check with the doctor. Secondary headaches can be quite painful, and may also be accompanied by other symptoms, such as sensory phenomenon.
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