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Submitted by bkittricka on March 5, 2007
Category: Science
Words: 1193 | Pages: 5
Views: 600
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Caffeine
Are you a member of your family consuming too much caffeine? Before you rule out the possibility on the grounds that no one in your family drinks more than two cups of coffee or tea a day, note that many popular foods, drinks, and medications contain as much caffeine per average serving as an average cup of coffee. Today, with heave promotion of coffee and other caffeine containing products, many people are taking in caffeine indiscriminately.
What is caffeine? Caffeine is a drug. It is a powerful stimulant with substantial addictive potential. It belongs to a class of chemical compounds called methyxanthines, which are coffee beans, tealeaves, cacao seeds(from which cocoa is made) and kola nuts(from which, the cola flavoring used in many soft drinks is derived.) Caffeine is often used in small quantities I n flavoring agents for pastries, frozen dairy desserts, gelatin puddings, and soft candies.
Caffeine has many effects on the human body, harmful effects outnumbering the beneficial. Some beneficial effects of caffeine on the human body are:
It increases alertness, helping us wake up or stay awake.
It sharpens out mental edge.
It elevates low moods.
It helps boost the confidence and energy levels.
It helps to relieve pain.
It increases the effectiveness of certain medications.
All these effects are due to caffeines stimulation of the central nervous system (which includes the brain) or the cardiac muscle (heart).
Caffeine has several harmful effects that may go unrecognized:
It stimulates the central nervous system.
It stimulates excessive gastric acid secretion.
Too much caffeine can make a person restless and irritable.
It may speed up heart rate or alter cardiac rhythms in some people.
It causes increased urination and therefore dehydration.
Coffee prepared in Espresso, French press or boiled...
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