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Overview

A vitamin is an organic compound required as a nutrient in tiny amounts by an organism. A compound is called a vitamin when it cannot be synthesized in sufficient quantities by an organism, and must be obtained from the diet. Thus, the term is conditional both on the circumstances and the particular organism. For example, ascorbic acid functions as vitamin C for some animals but not others, and vitamins D and K are required in the human diet only in certain circumstances.

Vitamins are classified by their biological and chemical activity, not their structure. Thus, each "vitamin" actually refers to a number of vitamer compounds, which form a set of distinct chemical compounds that show the biological activity of a particular vitamin. Such a set of chemicals are grouped under an alphabetized vitamin "generic descriptor" title, such as "vitamin A," which (for example) includes retinal, retinol, and many carotenoids. Vitamers are often inter-convertible in the body. The term vitamin does not include other essential nutrients such as dietary minerals, essential fatty acids, or essential amino acids, nor does it encompass the large number of other nutrients that promote health but are otherwise required less often.

Tuesday, April 8, 2008

Sinus Headache Symptoms, Knowing is the First Step to Prevention

The pain can sometimes almost indescribable. Whenever a sinus headache seems that most people have nothing in mind, but it is quickly gone. Sinus headaches can flare up for any number of reasons, but as soon as they appear they tend to stay for a while. If you suffer from sinus headaches as I am sure that one can say if you appear, even far in advance. At times, however, it may be difficult to separate one from a sinus headache migraine headaches without knowing the sinus headache symptoms. Learn how you say, can make the difference.

The sinuses are amazing part of the human body. The caves are actually behind our cheeks and stretch way into your forehead. They help our face to give its unique shape and protect our brains from blunt force trauma. All this is little consolation, but if you suffer as a result of the sinuses.

Most sinus headaches come as a result of a sinus infection or sinusitis. The following symptoms are headache sinus accompany that this particular type of infection. It is interesting to observe before we, in fact, you have the symptoms, they tend to come in the morning, when you first get. Symptoms include a discharge to the nasal mucosa, the yellow or green color, fever, persistent cough, sore throat and fatigue. It is not surprising that the symptoms are often mistaken for actual migraine headaches all, there are some notable differences.

Sinus headache symptoms are generally steady in nature, such as the feeling of pressure that you have in your nasal passages. A migraine headache, throbbing or pounding, as it is often described and usually worse when you bend forward. Sinus headache pain also tended to remain calm, in contrast to a migraine headaches when exposed to light and loud noises.

Understanding what the symptoms are headache sinus can help you to get to the bottom of your problem. Treatment of a sinus headache, as if it is a migraine would you do good, how little it is really necessary to get to the bottom of the problem, to heal. Once you know that you have a sinus headache, you can treat it like a sine headache.

Article Source: http://EzineArticles.com/?expert=Sandy_Griffin

Posted by admin at 10:12 PM  

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