When taken in small amounts caffeine is harmless, it’s even considered beneficial; although, when taken excessively or in large doses for an extended period of time it has been proven to be detrimental.
2.Decaffinating to make artificial sources
II. Uses for caffeine
III. Side- effects
A. Positive and negative
Caffeine is the most widely used drug in America. It operates using the same mechanisms that amphetamines, cocaine, and heroin use to stimulate the brain, but the effects are milder. When taken in small amounts caffeine is harmless, it’s even considered beneficial; although, when taken excessively or in large doses for an extended period of time it has been proven to be detrimental (Perry 45-54).
Caffeine has been used for thousands of years in many different parts of the world. It is a nitrogenous organic compound of the alkaloid group; it is odorless and tasteless. Trimethylxanthine, pure caffeine, occurs as a white crystalline powder or as silky needles (“Caffeine” 720). Caffeine is classified as a stimulant; it starts working after f
Caffeine has a stimulatory effect on the central nervous system, heart, blood vessels, and kidneys ("caffeine"720). Some studies have shown that coffee can increase the chance of cancer (DeBenedette 8-10). The positive side effects of caffeine are improved motor skills, decreased fatigue, enhanced sensory activity, and increased alertness. The negative effects include: nervousness, anxiety, irritability, jitters, headaches, and insomnia ("caffeine" 720), which may explain many adults compulsion. Negative side effects, also, occur when a person has had over the recommended amount. In the United States and Canada, over one hundred million people consume coffee each day. Cola nuts are used to make the common cola sodas. The four most common are tealeaves, coffee beans, chocolate, and cola nuts. In everyday life, caffeine is consumed through drinks, candy, high-energy products, aspirin products, cold medicines, diet pills, and some prescription drugs contain caffeine (DeBenedette 5-12). 5 of the product to be called a decaffeinated product. With the average adult not needing over 300mg per day, tea contains only 80mg (depending on strength) per 12- ounce cup. It is used as a mild diuretic, which increases urination (DeBenedette 5-7). It opens up the breathing tubes allowing caffeine to be used for respiratory depression ("caffeine" 720).