Coffee Bean is the seed of the Coffee plant. Coffee is a widely consumed beverage prepared from the roasted Coffee Beans. Coffee Bean consist mostly of endosperm that contains 0.8 - 2.5 % caffeine. The two most commonly grown species of the Coffee plant are Coffea canephora and Coffea arabica. Coffee is enjoyed as a drink by millions of people world-wide and has been for at least a thousand years. It contains caffeine, which is a mild stimulant, and in many people coffee drinking enhances alertness, concentration and mental and physical performance. Although it contains a wide variety of substances, it is generally accepted that caffeine is responsible for many of Coffee’s physiological effects. Because caffeine influences the central nervous system in a number of ways and because a small number of people may be particularly sensitive to these effects, some people have attributed all sorts of health problems to Coffee. Caffeine is not recognised as a drug of abuse and there is no evidence for caffeine dependence. Some particularly sensitive people may suffer mild symptoms of withdrawal after sudden abstention from Coffee drinking.
Studies have suggested that the consumption of Coffee is beneficial to health in some ways. Coffee appears to reduce the risk of Alzheimer's disease, Parkinson's disease, heart disease, diabetes mellitus type 2, cirrhosis of the liver, and gout. Some health effects are due to the caffeine content of Coffee, as the benefits are only observed in those who drink caffeinated coffee, while others appear to be due to other components. It contains antioxidants, which prevent free radicals from causing cell damage. A study at University of Scranton revealed that Coffee is America's No. 1 source of antioxidants, an important compound that protects your body from disease. Studies also show that the risk for type 2 diabetes is lower among regular Coffee drinkers than among those who don't drink it. Also, it may reduce the risk of developing gallstones, discourage the development of colon cancer, improve cognitive function, reduce the risk of liver damage in people at high risk for liver disease, and reduce the risk of Parkinson's disease. It has also been shown to improve endurance performance in long-duration physical activities.
Referenecs:
Harvard Health Publications. http://www.health.harvard.edu/press_releases/coffee_health_risk.htm
The Coffee Science Information Centre. http://www.cosic.org/coffee-and-health/summary
abc News. http://abcnews.go.com/GMA/Health/story?id=1074559
Wikipedia. http://en.wikipedia.org/wiki/Coffee
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