Brief of Coffee and Caffeine

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					Brief of Coffee and Caffeine
The main effectors contained in coffee is caffeine. Caffeine effects on adenosine receptor
antagonist, increases blood pressure and homocysteine, stimulating fat oxidation and
release of free fatty acids, as well as lower insulin sensitivity.
On the other hand, in addition to caffeine, coffee also contains various other components,
such as antioxidants, potassium, niacin, magnesium and other fitokemikal the opposite,
protective effect against cardiovascular system.
Various studies indicate the caffeine content of 200 mg (280 grams or 10 ounces of
coffee) to significantly improve the ability to concentrate, especially when he is sleepy,
but excessive caffeine content does not give better results. A single dose of 500 mg of
caffeine showed worsening of the ability to think most individuals. Caffeine is generally
relatively harmless if used in moderate (2 cups a day), but with higher doses, caffeine can
cause anxiety symptoms (anxiety), such as sweating, tense and unable to concentrate.
High doses of caffeine can also trigger a loss of bone density in middle-aged women and
trigger the onset of pain in middle-aged women with benign fibrocystic breast
Each individual reaction to caffeine varies daily habits in consuming coffee. At a regular
coffee drinker, do not drink coffee can cause headaches, fatigue, deterioration of mental
abilities and mood. If coffee is consumed again, then these symptoms will disappear.
Caffeine is a stimulant that affects increased respiratory rate, heart rate, blood pressure
and secretion of stress hormones and other hormones. Moderate doses of caffeine can
increase the metabolic energy expenditure (metabolic rate of the body) in a few hours,
stimulates the digestive tract and a diuretic effect (a lot of urine).

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