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Coffee has more benefits than harms to our body, but do not drink in excess due to such a fact, otherwise the body will protest!

(1) Heart and blood vessels: Men who drink more than 5 cups of coffee are more likely to have heart disease than women. However, when coffee is taken in with an appropriate amount, then it will enhance the functions of heart, and cause the blood vessels to inflate in order for the blood to circulate better. Though after caffeine has been taken in excess, it will cause the heart to beat faster and increase the blood pressure. As a result, people who have high blood pressure and arteriosclerosis should control the amount of drinks that contain caffeine.
(2) Elimination: Coffee is able to enhance the functions of the kidneys by helping to eliminate the sodium that is in excess. (Thus after urine's elimination is enhanced, caffeine will be eliminated after about 2 hours.) Coffee is also able to enhance the rate of using calories. Every 100mg of caffeine (about 1 cup of coffee) is able to enhance the rate of the body's metabolism by 3-4 %. As a result, coffee is helpful for controlling weight.
(3) Coffee is able to stimulate the stomach and intestine to secrete gastric juice, in order to help for digestion and prevent from gastroptosis. Caffeine is able to decompose fat, so after taking in high calorie foods, drinking a cup of coffee can have the same comfortable feeling as drinking a cup of tea. Coffee is also a fast way of helping the elimination of feces, though this effect is most obvious in the morning, other times are not as effective.
(4) Brain: Coffee is able to enhance the activities of the brain, help to keep the brain clear and awake, make the brain's reactions to be more agile, and also make the brain to be full of thinking ability. Human's thinking ability is from the brain's internal excitement process (positive process) and repression press (negative process) that interact to each other in order to form the thinking, and caffeine is the main substance that contributes to these two processes. Coffee is able to stimulate the brain in order to enhance the feeling, judgement, memory, and emotional activities.
(This article is translated from the original Chinese article from the Health Report website at http://home.kimo.com.tw/candy4433/ga031.htm )

The Effects of Coffee to Our Body