When consumed in excess, caffeine can cause heart problems. However, with the right dosage, caffeine effectively increase alertness, and even healthful. Caffeine is an alkaloid compound, mainly found in tea (1-4, 8 percent), coffee (1-1, 5 percent), and kola nuts (two 0.7-3, 6 percent). In addition to the material contained in a natural, caffeine can also be made semisintetis.
Although safe for consumption, caffeine can cause unwanted reactions, such as insomnia, restlessness, increased respiration, muscle tremors, and diuresis (frequent urination). Caffeine can also cause a mild addictive. People who drink coffee will suffer a headache in the morning or after 12 hours after consuming coffee. The study also showed that people who used to drink coffee more than 5 cups a day at risk of heart problems.
Caffeine consumption during pregnancy can also lead to birth abnormalities. On the other hand, for the health benefits of coffee also was not there. A recent study reported in the American Journal of Clinical Nutrition found that consumption of 2 cups of caffeinated beverages, including coffee, would reduce the risk of heart attack by 31 percent. Coffee was also significantly lower the risk of developing colon cancer. According to Professor Peter Rogers and Dr Lindsay St. Claire of the University of Bristol, UK, negative effects of caffeine stronger in males than in females. In women, caffeine actually reduce stress, especially on office workers.
Coffee also effective to increase alertness and sociability in the office. To get the positive benefits of coffee, experts recommend the consumption of organic coffee and Arabica coffee from Java. Each 8 ounces of Arabica coffee is known to contain higher levels of protein than regular coffee and has a lower caffeine content. Organic Coffee also contains antioxidants 40 percent higher than other types of coffee.
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