Caffeine Essay

(Garrett, 1997; Myers, 1999) According to the Pacific Nueropsychiatric Institute "caffeine inhibits phosphodiesterase breakdown of cyclie 3',-5'-adenosine monophosphate. (Pharmacology, caffeine, 2) Again, this occurs only in large quantities that have yet to be naturally found in vivo. (Myers, 1999) Keep in mind that if cyclic AMP had a greater than normal concentration in the synaptic cleft, it would continue to breakdown adenosine which has a depressant effect on functions in…

Especially students that depend on caffeine to support their study habits should carefully monitor such information. Many college students use caffeine byproducts such as sodas, coffee, and caffeine pills as supplements to maintain a more alert state. However, a lot of students lose count of how many cups of coffee or soda they have intake. Students tend to gear their consumption of these caffeine products by the products' effectiveness rather than their caffeine dosage. This may result in the abuse…

Individual differences affecting caffeine intake. Analysis of consumption behaviours for different times of day and caffeine sources The purpose of this study was to research different personalities, and how they affect caffeine intake. Regular consumption was predicted by gender, age, nicotine use, and types of personality traits. Consistent caffeine consumption would has been known to impair sleep and enhance anxiety, and if over-consumed it becomes chronic it could cause dependency, and or worsen…

not women feel consuming caffeine lessen the stress they experience during the day, this is important because the response provides the basis for the proposals hypothesis and null hypothesis. 3.) Whether or not women consumed caffeine as a means to alleviate stress, this is important because it will establish the women consuming caffeine for taste and pleasure from those consuming caffeine to cope with stress. 4.) What percentage of women ages 21 to 65 consume caffeine during their day, this is…

Caffeine is found in different food product with the well known being coffee and cola drinks. It is however also found in some baked goods, frozen dairy products, soft candy and chocolates,gellatine and puddings and even the medicine that we take for colds,headache,allergies or the ‘stay awake’ remedies. It is even believed that women may be taking it indirectly when they use lipstick. And if those facts are not scary, it is still sad to see that people still take at least more than 3 cups of coffee…

(Graham, 1998) This shows the importance of caffeine in endurance sports such as cycling, running, and soccer which require a great deal of physical stamina in order to compete successfully. Studies also show that caffeine has very little affect on athletes requiring quick burst of energy such as sprinters and swimmers. Also caffeine has been known to decrease fatigue in athletes, which plays a physical as well as psychological role in the performance of an athlete. Caffeine’s mental…

Obviously, caffeine is used as drug as there are 2 criteria for drug dependence. Criterion I is composed of limited dependence potential (psychoactive), use of caffeine by all person is regular and effects do not rely on other reinforcer. Criterion II is described as producing pleasant effects, tolerance and physical dependence (Gupta and Gupta, 1999). According to B.S. Gupta and Uma Gupta (1999), caffeine partially meet criterion I and totally tally with criterion II, so caffeine is a drug of…

Caffeine comes in a variety of forms from sodas to weight loss pills, and is arriving in new forms daily. With caffeine usage on the rise, it is important to know how you can benefit from caffeine. Research has proven that caffeine affects you brain directly. Studies show that you can rely on caffeine in small doses to jump start your basal forebrain, the part of the brain that processes information (Fisone, Borgkivist, Useillo). It affects a “group of projection neurons located in the striatum…

While clinical responses of Caffeine are widely understood the cellular basis is not well known. (Coffee House)"Currently, it is believed that xanthines act as adenosine-receptor antagonists. Adenosine acts as an autocoid, and virtually every cell contains adenosine receptors within the plasma membrane. Adenosine exerts complex actions. It inhibits the release of neurotransmitters from presynaptic sites but works in concert with norepinephrine or angiotensin to augment…

Chemical Performance (fat oxidation, speeding up cells) 3. Mental performance, low doses of caffeine 20-200mg has positive mood effects, such as increased happiness and well-being. III. Negatives to Caffeine A. Lack of sleep 1. A healthy amount of sleep for an adult is 7-8 hours a day 2. It makes it hard to sleep because caffeine has a 6 hour half life meaning it takes 24 hours to fully get out of your system. 3. quality of sleep is bad by reducing REM (rapid eye movement)…

Caffeine does have many health benefits. It is a natural diuretic, which increases urine output, which flushes out toxins and excess fluid. Since caffeine is a stimulant it will definitely wake you up and get that boost of energy you desire. This is why caffeine is ideal for anyone who will be driving long distances. According to energyfiend.com a study in Japan showed that caffeine increases memory and has been shown to decrease the rate of Alzheimer’s. This study also showed…

Caffeine can affect our bodies and even our sleep. A. Once caffeine is consumed, your body can completely absorb it within 30 to 45 minutes. Its effects will fade away within 3 to 6 to even 8 hours (“Caffeine”). 1. Within this time period, these are some short-term effects one may experience: a. Like “rapid or irregular heartbeat, increased blood pressure, high blood sugar levels, and /or tremors” (Connolly). 2. Here are some long-term effects:…

that will survey their individual moods after drinking the caffeine. Results: Note: Data Above shows the averages based on the mood questionnaire completed by the students. Discussion: From the surveys that completed by the students, they were then collected; the averages were calculated and collated into a simple easy to read graph. In the graph, we can tell that the hypothesis was strengthened in that the greater caffeine intake, the greater the arousal of good feelings there…

consuming caffeine. Another concern about the intake of caffeine includes pregnancy problems. Most pregnant women are told by their physicians to cut back on their intake of caffeine, or to even stop intake altogether. Although the reason for this remains unclear, it is thought that caffeine connects to reduced fertility, underweight babies, and even birth defects (Lovett 3). Some people dispute the link between caffeine and pregnancy problems, but why take the risk? Eliminating caffeine in a diet…

drinking caffinated beverages forms dependence, but those defending caffeine dismiss this as trivial while others see it as a very unhealthy cancer on society. The reality is somewhere in between. Caffeine is addictive but it is certainly not a strong physical addiction, for it is relatively easy to stop taking caffeine. The true addiction is psychological and is the most widespread addiction on earth. The fact that caffeine is a drug cannot be denied. It effects the entire body in many ways…

Caffeine plays an enormous role in society today, from coffee to cokes to candy bars. Companies have made billions off the desire for that extra kick. Caffeine is the most widely consumed behaviorally active substance in the world making it one of the world’s most popular drugs. It’s known for the ability to stimulate the brain and central nervous system. The Chemical structure of caffeine is C8H10N4O2. Before the popular use of caffeine one can assume that people were sleepier, and less alert. Consumption…

though staying awake while you are driving a car is definitely a benefit to your well-being! b. Caffeine also contains antioxidants which have been shown to have cancer prevention qualities. Transition: So, caffeine can be good for us in moderate quantities, but how much is that? C. safe levels of consumption 1. According to a February 2008 nutrition article by about.com, having caffeine in your diet is not of any benefit to your health but moderate consumption is also not considered…

result is an increase in blood sugar for use as muscle fuel. Basically, it is believed that caffeine raises the general metabolism of the user, which resultantly increases the activity and raises the body’s temperature (wysiwyg://35/http://onhealth.com/ch1/indepth/item/item.34623_1_1.asp). What about endurance? Various studies have been conducted in attempts to connect the use of caffeine with increased endurance levels. Graham and Spriet (1995) conducted a double-blind test involving…

includes how caffeine affects our society in terms of health, caffeine addiction, caffeine withdrawal and future actions to handle this very popular drug. 2.0 CHEMICAL BACKGROUND 2.1 Chemical Properties of Caffeine Figure 1.2 Chemical Structure of Caffeine The chemical formula of caffeine is C8H10N4O2 and its systematic or chemical name is 1,3,7-trimethylxanthine or 3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione. Other names for caffeine are coffeine…

They create temporary improvements to mental or physical functions. In the case of caffeine, they make the user more alert. Drugs that are classified as stimulants are used to treat Attention Deficit Hyperactivity Disorder as well as other disorders. Caffeine is classified as a eugeroic. A eugeroic drug is a wakefulness-promoting agent that improves wakefulness and alertness, while reducing the need for sleep. Other drugs in the stimulant category are: Methylenedioxymethamphetamine (MDMA), also known…

One of the most common effects of caffeine is severe headaches. My English teacher suffered from severe headaches for about a week with nausea and nothing helped calmed her symptoms. With all of these symptoms, she decided that she never again wanted to drink caffeine regularly. Headaches can occur at any time when drinking caffeine. If someone drinks too much caffeine or sometimes if someone drinks just a little bit of caffeine, later the person might experience a headache because the person’s body…

consume caffeine on a daily basis (Hoidrup, Gronbaeck, Gottschau, Lauritzen, Schroll, 2002). A higher percentage of males consume soda as their main source of caffeine, with less of a percentage not consuming any caffeine whatsoever (Hoidrup, Gronbaeck, Gottschau, Lauritzen, Schroll, 2002). One part of the human body that too much consumption of caffeine can affect negatively the your heart. Caffeine speeds up your brain cells, which speeds up your heart beat in the process. Too much caffeine will…

cell, caffeine is analogous to adenosine. Thus, the caffeine binds to the adenosine receptor and acts as adenosine-receptor antagonist. Instead of slowing down the activity of nerve cells, the presence of caffeine on the receptors would speed up the neural activity. The common effect of this reaction would be the constriction of vessels in the brain. Figure 1: The figure above illustrates the binding of caffeine with adenosine receptor . Since the adenosine receptor is being blocked by caffeine, it…

Nevertheless, caffeine, also known as “recreational caffeine” (Kluger), is commonly used to counter-attack sleep deprivation for people, especially for students, who need caffeine to have their studying done. However, with no proper sleep and restfulness, the body can become over-worked and can build up pressure where medical issues can occur, such as effects on blood pressure and tension. Over the years, caffeine is routinely used to minimize lack of performance and alertness which is “impairing…

not include caffeine on its "generally recognized as safe" (GRAS) list. (Microsoft, 2003) Caffeine is a psychoactive drug and as such when consumed, there are physiological changes that occur such as mood and increase energy. People have explained this a "buzz." Users like the way the buzz makes them feel. Other users feel a sense of normalcy using the drug, which also makes it possible for them to get through their daily life. (Ieid, T.R., 2005) Caffeine is the most widely…

weigh them. Then the weight percentage of caffeine isolated from the ground coffee’s weight was calculated. At last the melting point for the recrystallized caffeine was measured. (Reference: Organic Chemistry Laboratory Manual) Equation: Weight Percentage (%) =Weight of solulteWeight if solution*100 % Chemical Structures: Calcium carbonate Calcium carbonate Dichloromethane Dichloromethane Caffeine Caffeine (Reference: 1.http://www.caffeine…

worm was kept in their respective treatments. The level of treatment for this experiment would be ten because of the six different concentration treatments of caffeine and nicotine along with the four household drugs. The sample size of the experiment differed from some treatments to other. For the three different concentrations of caffeine and nicotine, the sample size was 18 black worms each. The sample size of the control treatment of week 1 was 6 black worms. 12 black worms were used for the…

Potential Prostate Cancer Treatment, Green tea compounds were the delivery mechanism, bringing the radioactive gold nanoparticles to the tumors. The gold was then able to kill the cancer cells, ABC News reported. Boosting function in old age. The research, which included 14,000 adultys ages 65 & older over a 3-year period, showed that the ones who drank the most green tea had the best functioning in old age compared with those who drank the least. Lowers blood pressure. Drinking black tea could…

When facing the customers, those companies or stores claims their products are produced by Fair Trade coffee beans should be honest to customers because customers can't know where the coffee beans are from, how much the companies paid for those coffee beans. These information can only be known from the companies itself. So at the time period, companies should be responsible to customers if they charge more money because customers are buying a Fair Trade coffee. When think about the farmers prospect…

Scientists suspect that a caffeine withdrawal could be the possible cause of common migraines. Why? Well, caffeine is a powerful psychoactive drug that is addictive. Caffeine withdrawals produce all the same symptoms as migraine. Chronic caffeine use causes a number of changes to the central nervous system. Caffeine use increases the number of some types of serotonin receptors and some types of adenosine receptors as well. Adenosine is another neurotransmitter; adenosine strongly inhibits serotonin…

We Placed 1 drop of a 1% caffeine solution on the Daphnia. After waiting for a few seconds we began to count the heart beats and recorded the results on our data sheet. Next we removed the excess solution from the Daphnia and flushed it with aquarium water. Using the same procedure we monitored the effects of 1 1/2% and 2.0% caffeine solutions and recorded our results and placed the Daphnia in the recovery tank. After completing the caffeine series, we obtained a the second set of drugs. This…

| 4.7 | Caffeine | 1.5 | Aspirin | 0 | Ibuprofen | 0 | Solvent front | 6.5 | Thin Layer Chromatography with unknown Compound | Distance (cm) | Unknown | 1.5 | Thin Layer Chromatography comparison Compound | Distance (cm) | Residue | 0 | Isolated β-carotene | 0 | Standard β-carotene | 0 | Calculations Rf = Distance traveled by the compound / Distance traveled by solvent Rf Acetaminophen = 4.7cm / 6.5cm = 0.7 Rf Caffeine = 1.5cm /…

Stars-n-Flags added caffeine in it, making the customers like the narrator and Jade addicted to it and “would have like five bowls each.” (Saunders 555) This makes the customers purchase many of their product as the caffeine stimulate people appetite to want more of their food. However, caffeine can cause chronic insomnia, respiratory problems and heart palpitations. The increased production of stomach acid caffeine produces can cause ulcers or other stomach problems. Caffeine is a diuretic, which…

world. 30-50% of adolescents use energy drinks, they are not regulated by the FDA. Energy drinks are mostly a combination of glucose and caffeine. They also contain a chemical called Dopamine. Dopamine is a major chemical responsible for making us happy. When caffeine effects were off your body’s amount of adrenaline slows down as well. Once you stop taking caffeine your body’s amount of Dopamine slows down. Glucose is a sugar that your body uses directly as energy for basic body functions and activity…

eliminate caffeine from my diet. For a caffeine addict , it wasn‘t easy. I would drink up to 10 cups of coffee a day as an antidote to numb my anxiety and restlessness I experienced during high school. Struggle suggests resistance and the problem with caffeine is that it didn’t put up a fight. In order to steer clear of caffeine I had to weed out products that contained caffeine such a soda, coffee, energy drinks and chocolate. This meant that I needed to find an outlet that substituted caffeine so that…

on these observations. They are shown in Table 2. Table 2. Rf Values Name Distance from Base to Center of Spot (cm) ÷ Distance from Base to Sovlent Front (cm) = Rf Value acetaminophen 4.0 ÷ 5.5 = .73 aspirin 4.7 ÷ 5.5 = .85 caffeine 2.4 ÷ 5.5 = .44 salicylamide 4.6 ÷ 5.5 = .84 Anacin 2.6 ÷ 5.8 = .45 Bufferin 5.0 ÷ 5.8 = .86 Excedrin 2.6 ÷ 5.8 = .45 4.3 ÷ 5.8 = .74 Tylenol 4.3 ÷ 5.8 = .74 Discussion This experiment was designed to…

daily for men * 71 and older: 1,200 milligrams daily 4. Discuss the effects of sodium, caffeine, and alcohol on calcium levels in the body. (1 point) Pay attention to foods that cause calcium loss through the urine. You lose calcium daily through the urine. While a certain amount is perfectly natural, there is evidence to suggest that calcium loss through the urine is increased by excess consumption of salt, caffeine and protein. Salt (Sodium) - in excess has been shown to increase the loss of calcium…

statistic, and that appreciates coffee as one of the most remarkable beverages in the history of the world. The delicious drink holds a great reputation for energizing those who indulge themselves with a cup of hot java. Coffee beans are very high in caffeine, a chemical that has tends to stimulate the brain, giving the consumer a sense of alertness and activity. Coffee has been enjoyed for centuries across the globe, and recent studies have discovered many newer qualities of this mystical black liquid…

at this stage in life. There are addictions to cocaine, pot, and alcohol. The main disorder that is discussed in the video is schizophrenia. Looking back to the pressure of teens to use psychoactive drugs such as cocaine , amphetamines , and even caffeine , it is seen that they are easily abused and have negative effects on the brain. The film taught us about a group of teens that had experimented with different substances and have become addicted to them. As many of the teens explained their addiction…

Caffeine usage depends on the situation you are facing such as college students facing an exam or a long distance truck driver may need caffeine to stay awake for alertness (Macionis, 2010). Nicotine is a legal drug, but it can be has harmful side effects to the person’s body. The use of nicotine comes from smoking tobacco. In effect, nicotine is a drug because it gives you the urge, the motive, the craving to want to smoke cigarettes. Nicotine is a poisonous alkaloid C10H14N2 that is the chief…

Anahsad O’Connor, author of the New York Times article, The Claim, published June 3 2008, said that drinking soda will often times settle an upset stomach. F. Many people also choose to drink soda for the caffeine, which ranges from 23 to 54 mg per 12 0z serving, according to Lisa Sefcik, author of the Livestrong article, Health Benefits of Soda, published July 15 2011. Transition Statement/Signpost: Now that you know the health risks of drinking soda, you can make the move to choose other…

due to a lack of toluene with which to rinse the 50 mL Erlenmeyer flask of the last of the crystals. Results: Percent Recovery of Components Compound Aspirin Caffeine Salicylamide Actual Mass (g) 0.671 0.052 0.283 Expected Mass (g) 1.300 0.0666 0.390 Percent Yeild (%) 52% 78% 73% Melting Point Data Table Compound Aspirin Caffeine Salicylamide Actual MP (ºC) 93 - 98 260 - 262 96 - 102 Expected MP (ºC) 135 236 140 Percent Error (%) ~30% ~12% ~30% Aspirin Recrysalization Data Table Actual…

activity. These figures were derived from a nationwide study of 8,000 patients and conducted by the Association of Sleep Disorders Center. One of the causes of insomnia is the use of stimulants. Even though caffeine near bedtime may not disturb sleep, it may bring awakenings later. Caffeine related components are also found in soft drinks, chocolate, and strong tea. Nicotine is a stimulant and it has been shown that smokers take longer to fall asleep and sleep worse than non-smokers. Ingredients…

According to (Snel & Lorist, 1998) ‘This continuous habitual behaviour, including substances such as caffeine and nicotine, ultimately affects the cognitive system in the brain and causes differences in the way we live our life.’ Normal early morning rising habits such as, shower, teeth brushing, flossing, and often including coffee and cigarettes, are habitual in everyday life. Caffeine and nicotine contain chemical substances which enable the processes…

because of lack of sleep, or those who simply enjoy the taste of it. 7. What is the normal physiological response to increased intake of sugars? To increased intake of caffeine? The glucose levels in the blood increase and cause and increase in insulin production with and increased amount of sugar intake. With an increase of caffeine intake the heart rate increases and cause anxiety, insomnia, and the blood vessels to expand. 8. Is there such a thing as “sugar high”? Explain your answer. No, there…

are asked about the strength of their belief about that topic. assignment 2 makeup 9/9/10 NAME THAT DESIGN 1) This is an experiment because they are manipulating the amount of caffeine given to the participants. The dependant variable is the time spent on the puzzle. The independent variable is the caffeine. 2) This is a correlation approach because there is no actual manipulation of the independent variable; they are just looking at a naturally occurring event. 3) This is also a correlation…

Acetaminophen (which is Tylenol), Asprin and surprisingly enough, Caffeine. I remember a day last year around the time that we had finals, when my sister, I’m not just blaming her, it was really her fault, bought these pills named Vivavrin. As soon as I took one of these pills my head began to throb and I, who have a long family history of migraines, received one. Now, if Caffeine triggers Migraines, why would a Migraine medicine contain Caffeine to relieve…

most of the phenylethylamine in chocolate is broken down before it reaches the brain. So, the amount of phenylethylamine that actually reaches the brain is unknown (1), (3). Theobromine is a close structural relative of caffeine, but has one-tenth the stimulating effect caffeine has. Although theobromine is a weak stimulant, it can increase pulse rate. And, withdrawal from theobromine has been found to cause migraines. The level of theobromine in commercial chocolate varies from bar to bar. Milk…

near impossible to test for the Olympic Committee still bans its use in hope to find a test. Caffeine is a chemical found in the leaves, seeds, and fruit of over 60 species of plant. It is found in coffee, tea, some soft drinks, and chocolate. It can also be taken as a tablet at high doses in products such as No-Doz or Vivarin (Donahue,33). It is banned as an ergogenic aid in large doses. Caffeine is believed to increase endurance and alertness. An…

America is undoubtedly more than a function of its high price in comparison to other drugs. After all, the effect of cocaine is much closer to the effects of the most popular of the legal drugs of choice: caffeine and nicotine. (Not surprisingly, caffeine and cocaine were once combined in Coca-Cola.) Like these other speedy substances, cocaine heightens the senses and gives the user a great deal of energy. However, unlike other forms of speed, cocaine also…