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Coffee for Health Hazards According to the story, the coffee bean was originally discovered accidentally by Ethiopian pastoralists. Then they make it drink "must" in a religious ceremony with the intention that a person can stay up all night. In this regard caffeine is an alkaloid that acts by inhibiting phosphodiesterase, leading to increased levels of cyclic-nucleotide, which in turn affects the central nervous system. In addition to being switched to stimulant medications, and painkillers, caffeine can also be relied upon as an alternative to weight loss. That's because caffeine smart burn fat by increasing the metabolism rate. Side effects or dangers of coffee The report mentions a study, 100 milligrams of caffeine (about a cup of coffee) can increase metabolic rate 3-4 per cent. In some volunteers with normal body weight were found, the effects were evident 2.5 hours after they eat. However, the researchers stated that the burning of calories that are stimulated by caffeine would be better if accompanied by exercise. Another thing, it was not meant to drink a lot of coffee to be free of side effects. Danger of long-term coffee The negative side of caffeine or coffee danger was not going to end there. A series of studies have peered long-term consequences. In the December issue of Reader's Digest, 1994, reported that women who consumed 300 mg of caffeine a day had a 27 percent lower chance of getting pregnant than those who were free from it. Although the mechanism is not known for sure, a hypothesis to say, the possibility of these substances can lower levels of hormones such as estrogen-to-affect ovulation. Although the link between coffee and cancer risk is not clear, some studies estimate the likelihood of coffee affects DNA and increase the risk of bladder and ovarian cancer. In addition, a very hot cup of coffee to give effect to the damage to the cells in the mouth and throat, which if done repeatedly can trigger cancer in the part. In a conclusion other report mentioned, women who consume 5-7 grams of caffeine per month (the equivalent of two cups of coffee per day) had double the chance of endometriosis than those not exposed to caffeine. Coffee is another danger in terms of "ability" throw caffeine calcium through the urine, which further degrading bone strength and make the bones easily broken. Harvard study found that, in postmenopausal women who consume a lot of caffeine (more than six cups of coffee per day), the risk of hip fractures was three times higher than those without. However, studies in nearly 1,000 postmenopausal women in California showed that, on being consumed (by drinking at least a glass of milk per day) may help offset the loss of calcium caused by caffeine found in two cups of coffee. In order to avoid the dangers of coffee as in the above situation, be careful with coffee. We may not necessarily stop the coffee habit because caffeine can make "addictive". When the dose reduced intake, many "pencandunya" who reported the inability to work well, restlessness, drowsiness, and headache. In extreme cases, even nausea and vomiting occur. Well, what about coffee mania? Perhaps coffee but the wise, do not be excessive. The taste and aroma of coffee and teasing should not make us complacent about the dangers of coffee.