Caffeine Experiment Lab Report

Caleb Gumbs Dr. Craig Sophomore Seminar October 31, 2014 The Psychological Effects of Caffeine Consumption An Annotated Bibliography Luebbe, Aaron M., and Debora J. Bell. " Mountain Dew® Or Mountain Don 't?: A Pilot Investigation Of Caffeine Use Parameters And Relations To Depression And Anxiety Symptoms In 5Th- And 10Th-Grade Students."

It is absorbed through the stomach and reaches the highest level in the bloodstream after one or two hours. Caffeine reaches the brain quickly and acts as a stimulant for the nervous system. The most noticeable effect of caffeine is alertness. It causes us to feel less tired, so it is a main ingredient in medicines designed to prevent exhaustion. Unfortunately, it is possible to have an overdose of caffeine or a caffeine withdrawal. If too much caffeine is ingested, it can cause hallucinations and confusion. If someone is used to having caffeine on a regular basis, and then doesn’t have it for a while, it can cause irritability, drowsiness, nausea, and anxiety. Caffeine can also cause raised levels of stomach acid, which can cause heartburn. It is not a good thirst quencher because it signals your body to get rid of water. Surprisingly, additional caffeine is not stored in the body. The liver processes it and it exits through urine. Caffeine can also affect the skeletal systems. Ingestion of large amounts of caffeine can interfere with the absorption and metabolism of

In today 's society, if we appear to be exhausted, while knowing that we have to be on the run, we turn ourselves to energy drinks. Little do we know that every time we consume a single sip of an energy drink, we are literally creating a crucial complication towards our body. The innumerable quantities of caffeine and sugar that we devour stimulates each and every part of the body. Individuals have been replacing protein bars and other athletic beverages for real food (McCarthy). Becoming addicted to energy drinks relates to type 2 diabetes, even long-term effects such as heart issues, but most of all death. It is urgent that we pace the amount of caffeine from energy drinks that we ingest on a daily basis.

Caffeine is a chemical found naturally in few plants all over the world. From these plants it is processed into its pure form and then put into other things such as soda, energy drinks, tea, and pills. Energy drinks and soda are some of the most widely marketed products in the world, even though they contain the highest concentration of caffeine outside of pure caffeine supplements. It is a stimulant that affects everyone in strange but semi predictable ways. Research has been done on this topic since the 1920’s and many different conclusions have been reached. In modern schools of thought, caffeine has been found to be a lightly addictive, moderate to severe stimulant that affects neurological function in various ways, though scientists disagree

The style and tone of the writer determine whether anybody chooses to read the piece, and if they do, if the readers feel offended or interested or bored. Before beginning to write, every writer first decides what idea he or she is hoping to convey. This idea determines the voice of the writer, whether it is offensive or interesting or boring. The number of possible tones is too high to count; there are as many kinds of tones as there are topics on which to write.

The reason why I chose this topic and question because from previous knowledge I knew that caffeine gives energy to your body, I decided to see how it enhances athletic performance. Caffeine has been shown and proven to enhance athletic performance. It enhances endurance for long distance runners and decreases muscle fatigue. Not only does caffeine have an effect on physical aspect it also effects mental energy. Caffeine improves alertness and also strengthens muscles. I performed tests and found that the effect of caffeine on an athlete is really helpful and believe that it will soon be a main source of physical enhancement in professional sports.

General Purpose: To inform Specific purpose: To inform the audience on the effects caffeine has on the body Format: Topical Format: Positive and negative effects I. Introduction to caffeine: What is caffeine? - Caffeine is a natural stimulant most commonly found in tea, coffee and cacao plants.” B. Where else is caffeine mostly found?

Caffeine did not have a measurable effect on the heart rate

The results that we concluded were the same with what we expected from our hypothesis. The Daphnia heart rate increased higher as it was placed in the various solutions of caffeine. The heart rate had a decrease as the Daphnia was exposed to the alcohol. This experiment helps understand how cellular biology works in a controlled environment. We also learn and understand the effects of alcohol and caffeine does to our body and health.

From the above data, one can see that the greater the concentration of caffeine in the water applied to the Daphnia, the higher the average heart rate in beats per minute of the water flea. For example, at 0% concentration of caffeine the average heart rate of the Daphnia was 165 bets per minute however you can clearly see a difference in heart rate with the Daphnia when placed in a 0.5% caffeinated solution as the average heart rate was 268 beats per minute. An increase of 103 beats per minute on

Introduction Metabolism is the sum of all anabolic and catabolic reactions within a living organism to sustain life. The energy required to perform these reactions is provided by oxygen in the form of ATP, therefore the oxygen consumption rate can be measured to determine the metabolic rate. Since oxygen is obtained through respiration, the efficiency of an organism’s respiratory system affects its metabolism. Previous studies have shown that caffeine affects the human respiratory center and occasionally dilates bronchus. It can thus stimulate human respiration and increase the metabolic rate (Haggins et al, 1915).

Whenever a consumer uses an energy drink a series of effects begin in his/her body. The organism receives an instant boost as the caffeine successfully manages to block the duties of the adenosine, a chemical located in the brain whose function is involved with sleeping. After the completion of the process caffeine forces part of the neurons in the brain to lighten up, which later on causes the body to release the hormone adrenaline. When the hormone is active it forces the liver to provide the bloodstream with additional

Coffee vs energy drinks, who will win? People drink coffee and energy drinks because they wake you up and they get you ready for the day. Most energy drinks hold 8.4 ounces. On the other hand, coffee has 8 ounces. On the healthier side, coffee only has 1 calorie for 8 ounces while energy drinks have 110 calories for 8.4 ounces. Usually you find both of these items at Wawa. If you want to drink energy drinks I would go with the brand Red Bull. Coffee has no effect on your heart. The reason why people drink coffee and energy drinks because they give you a boost of power. By digesting these liquids you have to drink them. Generally citizens swig a cup of coffee in the morning and energy drinks is for an active sporting event. Personally in my opinion, I rather drink energy drinks than coffee because I don 't like the bitter taste of coffee.

B. Some people who do not drink in moderation may become addicted to the caffeine in the coffee. C. The caffeine in the coffee can cause many

The chloroform and caffeine mixture was collected and into a conical flask labeled A. The remainder of the solution was discarded. This was repeated for beakers B and C. 9. Sodium sulphate was then added to each beaker to dry the liquid by getting rid of any remaining water from the solution. The sodium sulphate was then filtered and discarded.