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.

Friday, September 26, 2008

Tips For Good Sleep Hygiene

Nothing is more than frustrating, unable to sleep. Poor sleep habits /hygiene are among the most common problems in our society. Problems with sleep and daytime sleepiness can be signs of poor sleep hygiene hygiene.

Sleep is a term frequently used in medicine today sleep. It refers to the environmental and lifestyle factors that affect sleep. Good sleep hygiene practices may prevent the development of sleep disorders and disorders.

What are some examples of good sleep hygiene?
� 1st
Do not have television in the bedroom.

� 2nd
Stay away from alcohol, caffeine and tobacco, especially in the night.


3rd Try to avoid exciting activities, if too close to bedtime.


4th Block out light and heavy curtain.


5th Block out noise with ear plugs or install double-layer glass windows.


6th Try not to read in bed.


7th Try and go to bed until the same time.


8th Do not eat heavy meals late into the night.


9th Avoid rich, spicy and fatty foods.


10th Make sure that a comfortable bed with a good mattress and pillows.


11th Make sure that the appropriate temperature is cool.


12th Take a warm bath before going to bed.


13th Avoid Napping on the day time. If you really need a nap, limited your nap time, only 30-45 minutes.


14th They exercise regularly, but not before bedtime.


15th Practice relaxation before bedtime techniques such as yoga, deep breathing, etc.


16th Do not take your worries to bed. Leave all your worries about work, life, daily, at school, behind when you go to bed.


17th Sleep only when you feel sleepy.

 

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