Caffeine Caffeine is the most-widely consumed psychoactive substance by human beings throughout the world (Reid, 2005). This report will detail its natural origins, chemical structure (as well as those of similar substances), and the methods and dosages in which it is rendered into its usable form. Additionally, this report will detail caffeine's various biological pathways within the human body, including access to the brain and various neurotransmitter pathways. Caffeine is a chemical

Caffeine. All of you probably already know what caffeine is. In case you don’t, it is a common legal stimulant drug, that is in a lot of the things that we eat and drink. In its pure form,it is a white powder, but it is also found in many different types of plants. Some of the most known products with caffeine in them are coffee,chocolate,sodas and tea. What you might not know is that caffeine is also in things you might not expect, such as pain killers and sometimes even ice cream. Caffeine is in

Caffeine is a drug used to stimulate the nervous system, cardiac muscle, and respiratory system. Its molecular structure is C8H10N4O2. Caffeine is excreted by the kidneys, the stomach, and small intestine and goes directly to the bloodstream and brain. Once ingested, it is rapidly absorbed through the stomach lining, and reaches the bloodstream. It can affect the brain within 15 minutes and can last for hours. It becomes equally distributed throughout the water of the body, later being metabolized

Since long ago caffeine has been part of human life. According to the Chinese legend, tea was accidentally discovered on or about 3000BC. The earliest credible evidence of a coffee tree appears in the fifteenth century in Arabia and rapidly spread to Africa and later to Europe. The stimulant property of caffeine has been known since remote times and in some regions of the world caffeine was illegal or banned. It was not until 1895 when Emil Fischer synthesized caffeine and years later he was awarded

Caffeine in Athletics The world’s most popular drug is legal, inexpensive, and believed to amplify workouts. It supposedly motivates athletes and helps them stay alert and focused while also boosting physical endurance by twenty to fifty percent. This stimulant is found naturally in sixty-three plants and is consumed by eighty percent of Americans. This white, bitter, crystalline substance is known as caffeine, and is commonly consumed in efforts to enhance athletic ability (http://gopher1

conclude that caffeine can reduce the production of brain βA levels, and can potentially reduce pre-existing brain βA deposits. Another important component to this research is caffeine’s effect on cognitive function. Cognitive improvement with caffeine has been shown by the Adrenash et al. (2010) study. The design of this study was a controlled longitudinal study involving AD transgenic mice. Three groups of mice were used in this study: transgenic AD mice that were given 500 mg caffeine per day (equivalent

their day. This is due to caffeine, which many Americans believe to be a reliable source of energy and alertness. The question is, is caffeine a drug? It most certainly is, it is not a naturally occurring substance in the human body, and has undeniable effects on it. Caffeine is defined as a drug because it changes how your body works. It has a stimulating effect on the brain and nervous system, the heart and circulatory system, and the stomach and intestines (“Caffeine”, Debenedette, July 1996,

Caffeine, everybody consumes it. It gives adults that proper jolt in their morning coffee to start their day. Eighty percent of the world’s population consumes it daily and adolescents contribute largely to that statistic. College and high school students misuse the power of caffeine by consuming large quantities in forms such as coffee, energy drinks, and alertness tablets to pull “all-nighters,” finish workloads assigned by professors. They are also using caffeine “chasers” with alcoholic beverages

Many athletes use caffeine to gain a competitive edge, is it worth the risk? When using caffeine, there are many inconvenient side effects. Caffeine can increase the risk of dehydration. Another more serious risk of pairing exercise and caffeine is the possibility of reaching too high of a heart rate. Using caffeine to boost your performance is unrealistic and inefficient. Athletes should avoid the use of caffeine due to the negative effects on their personal health and physical performance. Although

Caffeine can be found in almost every drink you can buy in stores. People who consume caffeine usually drink it because of the positive effects it has on them, but they do not realize the harm they are causing their bodies with the caffeine they are putting into them. There are some issues involved with having caffeine on an everyday basis, which include withdrawals symptoms insomnia, dehydration, feelings of fatigue, cardiovascular side effects and health risks when pregnant. People should watch