Caffeine

= **__Caffeine__**  = ===**Caffeine is a white and powdery substance that has no odor. The chemical formula for caffeine is C8 H10 N4 O2. Caffeine is the common name for trimethylxanthine. Some common uses for caffeine are in drinks such as coffee, tea, cola/soda, energy drinks. Caffeine is also used in headache relievers such as asprin, and as medicine for abnorablities such as asthma, ADHD, shortness of breath in new borns, and low blood pressure.**=== ===**Caffeine occurs naturally in tea leaves, cocoa nuts, and coffee beans. Caffeine is broken down in the body from the liver and is eliminated in the urine. The melting point of caffeine is 272 degrees Celsius. This popular, bitter tasting crystalline substance was first isolated from coffee in 1820. Caffeine was also first isolated from tea leaves in 1827. Currently in North America about 90% of adults consume caffeine daily. Caffeine is toxic in dogs and birds and also has a big effect on spiders and mollusks.**=== ===**The effects of caffeine are short lived in the body. When caffeine is consumed in beverage form caffeine takes about five minutes to reach all the tissues in the body and the higest blood levels are reached within 30 minutes. Caffeine may also increase blood pressure. Caffeine also stimulates the brain and the brain's behavior.**=== **Caffeine in powder form** **Links** [] [] [] //**[]**// []
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 * Colton and Michael**