Thursday, December 26, 2019

The Effects Of Caffeine On Human Brain And Body - 1825 Words

Caffeine is a drug that has been studied for many years to learn more about how it effects the human brain and body. There have been many answers and yet there are still more answers to be found as scientists today continue to understand the effects of caffeine. We will look what parts of the brain involve sleep, how caffeine effects the brain and the body and try to determine if caffeine is a serious health threat or not. Adenosine also known as ATP stands for adenosine triphosphate which according to Susha Cheriyedath in her article Adenosine Triphosphate (ATP) Function in Cells (2017) â€Å"ATP is the main source of energy for most cellular processes. The building blocks of ATP are carbon, nitrogen, hydrogen, oxygen, and phosphorus.† So,†¦show more content†¦It does so by helping us transition from being awake, to being asleep. This is a result of â€Å"neurons in a part of the hypothalamus called the ventrolateral preoptic nucleus (VLPO) connect directly to the many arousal-promoting centers. Rather than stimulating activity in these areas, signals from VLPO neurons inhibit their activity. By shutting down the arousal centers, the VLPO promotes sleep,† (Division of Sleep Medicine at Harvard Medical School in partnership with WGBH Educational Foundation, 2009). The brainstem is related to sleep in regards to the different stages of sleep such as rapid eye movement better know n as REM and non-rapid eye movement or NREM. The Division of Sleep Medicine at Harvard Medical School in partnership with WGBH Educational Foundation tells us in their article Under the Brain’s Control (2009) tell us that â€Å"different neurotransmitters and different groups of neurons in the brainstem are involved in the transitions between REM and NREM sleep.† We go on to learn that there is a connection between sleep and adenosine and that it is the chemical that helps the body know when sleep is needed. â€Å"a powerful sleep drive builds up with prolonged wakefulness and shifts the balance toward sleep. How this occurs is not precisely known, but adenosine is one of the chemicals thought to accumulate during prolonged wakefulness. When it does, it serves toShow MoreRelatedCaffeine Addiction Essay800 Words   |  4 PagesIt is important to learn about caffeine addiction because people don’t know that they are addicted to it and that caffeine can damage the body and brain. There are a few positive and negative psychological effects of caffeine on the human body. Positive psychological effects are concentration, focus, attention, improves memory, in some studies, and alertness. Negative psychological effects are anxiety, depression, irritable, and addiction. Some physiological effects are nausea, headache, restlessRead MoreCaffeine, is it Helping or Hurting America?1089 Words   |  5 Pages Caffeine is the most abused drug in the world. Many people wake up, and start there day with some sort of caffeine. Some it is for the energy boost, and to help them stay awake and focused. Others it is for the addictive crave. It is the most popular drug in the United States. Caffeine is in almost everything such as, sodas, over-counter medication, prescription drugs, cigarettes, foods, etc. The most consumed sources of caffeine are coffee and tea, and it [caffeine] can be harmful on your healthRead MoreEssay about Effects of Caffeine on Human Health1032 Words   |  5 PagesCaffeine is one of the most well-known orally consumed drug around the world. In the 1820s, a German chemist named Friedrich Ferdinand Runge first discovered caffeine by extracting it from coffee [6]. Coffee and tea are leading sources of caffeine in the adult diet whereas caffeinated soft drinks are leading sources of caffeine in the diet of children in North America [7]. The per capita consumption level of caffeine for consumers of all ages is approximately 120mg/day [4]. The purpose of thisRead MoreEffects Of Caffeine On The Consumption Of Caffeine1511 Words   |  7 PagesCaffeine, a popularly consumed central nervous system stimulant is consumed on a day to day basis around the globe.  Caffeine can be ingested into the body by either eating it or drinking it. Caffeine comes in forms of many processed foods such as coffee, chocolate bars, candy, sodas, and energy drinks as well as tea. For example millions of people all around the world consume coffee on a daily basis.  Due to the large consumption of caffeine, both the negative and positive side effects of consumingRead MoreEssay on A Cup a Day: Why Everyone Should Drink Coffee898 Words   |  4 Pagesappreciates 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. A nicely made cup of espressoRead MoreCaffeine, Caffeine And Health Benefits Between Coffee And Energy Drinks And How They Each Affect Brain Function1242 Words   |  5 PagesCaffeine Additives in Beverages Many people either enjoy to drink a cup of coffee, an energy drink, or sometimes both. People drink these without any knowledge of them other than the fact that they contain caffeine. How much caffeine do they contain though? Are these drinks even considered to be healthy for humans? There are various differences in the nutritional facts, caffeine absorption, and health benefits between coffee and energy drinks and how they each affect brain function. Black coffeeRead MoreThe Secrets of Caffeine1665 Words   |  7 Pagesaren’t aware that caffeine can act as a stimulant to the central nervous system. So once someone consumes a caffeinated beverage they may begin to notice a slight change in the way their body begins to feel. Caffeine can be found in many different places such as energy drinks, coffee, candy and also in other common beverages and over the counter medications. Caffeine can have major side effects on those who consume it on a regular routine, but caffeine can also have side effects on those who rarelyRead MoreEssay On Caffeine1328 Words   |  6 Pages Today how many people drink caffeine daily and do not realize the harmful effects of doing so? Caffeine is found in many common drinks consumed by both adults and children on a daily basis. People are not concerned with the impact of caffeine on their bodies. Caffeine is addictive and the brain will become dependent on it to keep the mind awake. Caffeine keeps the body from falling asleep by blocking the adenosine receptors; adenosine is what makes the person sleepy. Caffeinated drinks are especiallyRead MoreThe Chemical Formula For Caffeine Essay736 Words   |  3 PagesCaffeine is used in various foods all around the world, reaching millions of people. The foods that contain caffeine include coffee, tea, cocoa, carbonated beverages and energy drinks.2 Caffeine is a stimulant that’s used daily to keep people awake and active throughout their busy days. But does this use do more good than harm, or more harm than good? The molecular formula for caffeine is C8H10N4O2 and it is chemically classified in the xanthine group.1 It was first discovered and isolated by FriedrichRead MoreEffects Of Caffeine On Our Lives1214 Words   |  5 Pagesaddictive craze? Do you need caffeine to keep you awake? Well, roughly 80% of Americans do. In an average day 90% of Americans consume some type of caffeine. With so many people ingesting caffeine, do they know what it is? Are you conscious of your intake? Do you know how much you have per day? Did you know you could die from caffeine poisoning or overdose? You can! Do you need to consume caffeine daily to function properly? If so then you are most likely addicted. Caffeine has increasingly become an

Tuesday, December 17, 2019

Main Sources Of Electrical Power - 1405 Words

Practical Exercise One (10%): There are five major sources of electrical power worldwide and four other sources that are not used widely at this time. Using your state?s electrical grid, identify the sources of electrical power used by your state and then attempt to locate the major power plants and substations. Try to identify the major components of these plants and substations. Try to establish the connection between power generation, transmission and distribution in your state. Compare and contrast the efficiency of the various types of power plants in your state. Go to a local library and on line to find how many resources are available addressing your topic. Write a short paper (3-5 pages) discussing the results of your research, what databases, if any, were available, the amount of information available on the subject, and whether you believe that the information exists for you to create a map of your state?s electric power network. Use the?H-PU APA Guidelines for Academic Pap ers?(located under course resources) and the APA Example Paper template to guide your development of this paper. Open Source Information Showcasing Power Generation, Transmission and Distribution in the State of Illinois The State of Illinois electrical grid consists of a variety of power generating sources that provide electricity to transportation, industrial, residential, and commercial customers within the state. Based on estimated 2008 statistics, the percentage of end-use by energyShow MoreRelatedA Report On Electrical Vehicle1509 Words   |  7 PagesElectrical Vehicle Executive summary Electrical vehicles technology has been present for a while and is a proven technology that need only reshaping to meet the global need. Though, in the past, the technology had failed to compete with the internal combustion engine due to initial cost, the technology has done well in the past few years. Electric vehicle ability to reduce the emission of greenhouse gases like carbon and carbon dioxide and the advantages it enjoys such as low maintenance andRead MoreA Research Proposal On Electrical Vehicles1507 Words   |  7 PagesExecutive summary Electrical vehicles technology has been present for a while and is a proven technology that need only reshaping to meet the global need. Though, in the past, the technology had failed to compete with the internal combustion engine due to initial cost, the technology has done well in the past few years. Electric vehicle ability to reduce the emission of greenhouse gases like carbon and carbon dioxide and the advantages it enjoys such as low maintenance and running cost can enhanceRead MoreA Research Proposal On Electrical Vehicle1543 Words   |  7 PagesElectrical Vehicle Summary Electrical vehicle technology has been present for a while and is a proven technology that need only reshaping to meet the global need. Though, in the past, the technology had failed to compete with the internal combustion engine due to initial cost, the technology has done well in recent years. Electric vehicle ability to reduce the emission of greenhouse gases, like carbon and carbon dioxide, and the advantages it enjoys, such as low maintenance and running cost, canRead MoreElectricity Generation1639 Words   |  7 Pages[1] For electric utilities, it is the first process in the delivery of electricity to consumers. The other processes, electricity transmission, distribution, and electrical power storage and recovery using pumped storage methods are normally carried out by the electrical power industry. Electricity is most often generated at a power station by electromechanical generators, primarily driven by heat engines fueled by chemical combustion or nuclear fission but also by other means such as the kineticRead MoreElectrical System Electrical System is a major sub system of a complete design. Electrical systems700 Words   |  3 PagesElectrical System Electrical System is a major sub system of a complete design. Electrical systems are groups of electrical components connected to carry out some operation. Often the systems are combined with other systems. They might be subsystems of larger systems and have subsystems of their own. Electrical system is designed to provide power to all the components as per the requirement. Miniature UAV use electrical power for propulsion. Miniature UAV use D.C. motor. The batteries are connectedRead MoreReport On Electrical Vehicle Technology1452 Words   |  6 PagesElectrical Vehicle Review of Literature Badur Alharbi University of Arkansas Summary Electrical vehicle technology has been present for a while and is a proven technology that need only reshaping to meet the global need. Though, in the past, the technology had failed to compete with the internal combustion engine due to initial cost, the technology has done well in recent years. Electric vehicle, EV, ability to reduce the emission of greenhouse gases, like carbon and carbon dioxide, and the advantagesRead MoreTime Operated Electrical Appliance Controlling Systems1158 Words   |  5 PagesTime Operated Electrical Appliance Controlling Systems Awadallah Sulieman Rahama Balola Department of Electrical Electronic Engineering. University of Alneelain, Khartoum, Sudan. Supervisor D. Dalia Mahmoud Abstract: Time operated electrical appliance controlling system is a reliable circuit that takes over the task of switch on/off the electrical devices with respect to time. This project replaces the Manual Switching. Most used devices at home are electrical light, electric fan, air conditionerRead MoreAlternative Cars And Its Effect On The Environment1414 Words   |  6 Pagesburn fossil fuels and emit exhaust fumes to the atmosphere. Not only have gasoline vehicles depleted natural resources, they also have caused severe environmental pollutions, especially in some populous nations such as China and India. [1] CO2 is the main contributor of the greenhouse effect. 97% of greenhouse emission is carbon dioxide. And in turn, road transportation has become the largest sector in producing carbon dioxide. [2] Because of the decreasing natural resources and the increasing environmentalRead MoreElectrical Power Of Ac Generators1563 Words   |  7 PagesIntroduction Power lines are cables that carry electrical power (Google definitions 2015). This electrical power is generated by Eskom, an electrical energy supplier company, and carried via the power lines to many areas around the country. To be able to produce so much current to the whole of country, AC generators are normally used (Horner, Davies Toerien 2012). A generator is a device that turns mechanical energy into electrical energy (Olivier 2015). A generator is usually eitherRead MoreEnergy Sources Of The Electric Company1338 Words   |  6 Pagesare many different energy sources that I utilize and rely upon daily. Without these energy sources I would not be able to heat my house, cook food, store food, drive, or have hot water. Growing up in the United States I was raised in a country where we are all accustomed to having these luxuries in our daily life without realizing that they are a luxury. Every day I use more than a few energy sources; some of these energy sources are petroleum, gasoline, and electrical energy. Living on Long Island

Monday, December 9, 2019

Creative Thinker free essay sample

Oprah moved forward to be a news broadcaster, hosting a morning talk show, eventually with immense success and determination, Oprah Winfrey have the opportunity to host her own show called the Oprah Winfrey show, which became the most popular shows on television. Oprah is definitely a creative thinker. Oprah move from one level to the next in her career, which gave her more opportunity to find creative ways to make a difference in the lives of many people. With much creativity and determination, Oprah created her own TV network called OWN. Some people may say OWN was planned from the beginning because the title is fitting for what she stands for, which is using your creativity and desires to accomplish your goals. The Own network is another source used for Oprah to have a positive effect on the lives of many people. Own consist of several presentations and shows that focus on real life topics and motivational leaders, which created a positive impact on society. We will write a custom essay sample on Creative Thinker or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page

Monday, December 2, 2019

The Lover Review Essay Example

The Lover Review Paper Essay on The Lover Each literary period has its face in the form of a certain author who represents this era. For example, if you take the current literature, then, for me, it is associated with the name of Janusz Leon Vishnevsky. Not casual, he is considered one of the most popular authors of our time. Maybe his success lies in the fact that he writes about love as part of modern life? We all remember his debut novel Loneliness in the network a story of love born in virtuality, smoothly flowing into reality. Following was fate Repetition, but today I would like to recall his third book titled Mistress. On the one hand, this piece is designed in the best style Vishnevsky author, like no one else can reach your readers touching and sometimes tragic love stories. If he has a mysterious language of love, and we are not just readers, and witnessed all of these fascinating stories. On the other this work he destroys all the stereotypes about his writing style. His previous book differed deep, I would sa y slightly flowery plot. They were full of heroes, both major and minor, covers a vast geographical area. In Mistress is much easier there He is, She is Love. Mostly all-consuming, sometimes destructive, sometimes full of passion, sometimes tenderness. We have a unique opportunity to see all the masks that feeling you need nothing at all just read this novel Enjoy your reading .! We will write a custom essay sample on The Lover Review specifically for you for only $16.38 $13.9/page Order now We will write a custom essay sample on The Lover Review specifically for you FOR ONLY $16.38 $13.9/page Hire Writer We will write a custom essay sample on The Lover Review specifically for you FOR ONLY $16.38 $13.9/page Hire Writer