Jet Lag Research Paper

Words: 842
Pages: 4
Open Document
In 1997, Bernhard Liese, Director of the Health Services Department of the World Bank, published a report on the medical insurance claims by over 10,000 staff and consultants of the World Bank. Liese found a surprising pattern that those who travel internationally had a higher rate of insurance claims than those who do not. These claims include infectious diseases, back disorders, injuries, psychological disorders, etc. The more the international trips, the more the insurance claims. For instance, compared to those without international travel, men who traveled once, 2-3 times, and over 4 times report 1.28, 1.54, and 1.97 fold increase in insurance claims for infectious diseases. The claims were more increased for psychological disorders. Compared …show more content…
It is associated with many psychological and physical problems, including impaired alertness, daytime fatigue, disturbance in sleep, anxiety, depression, irritability, gastrointestinal problems, and generalized malaise. Jet lag compromises work performance. After analyzing decades of data involving tens of thousands of games, researchers find that jet lag impairs professional sports performance in baseball, football, and basketball players. In a paper titled ‘Baseball teams beaten by jet lag’ published in the journal Nature, Lawrence Recht at the University of Massachusetts analyzed three complete season records of the North American Major League Baseball games based on whether there was transcontinental traveling or not, and eastward or westward traveling. Recht found that irrespective of the true competence of the teams, the winning rate of the home team was about 54.1% when the other team did not travel. When the other team did westward traveling, the winning rate of the home team increased to 56.2%. Further, when the other team did eastward traveling, the winning rate of the home team increased to 62.9%. These results could not be explained by a simple ‘home field’ advantage. It shows that jet lag decreases the visitor teams’
Show More

Related Documents: Jet Lag Research Paper

Climate: Climate and Sea Ice Essay

consequential body of science — John M. Wallace at the University of Washington, Isaac M. Held at the Geophysical Fluid Dynamics Laboratory, David W. J. Thompson at Colorado State University, Kevin E. Trenberth at the National Center for Atmospheric Research, and John E. Walsh at the University of Alaska, Fairbanks. The letter is behind the journal’s subscription wall, so I’m providing excerpts here: In mid-January, a lobe of the polar vortex sagged southward over the central and eastern United…

Words 2542 - Pages 11

International Business Essay

world war II, led the way to produce innovative and state-of –the-art commercial aircrafts. Boeing had acquired Rockwell International’s defense business in 1996 and McDonnell Douglas purchased for $16.3 billion. Boeing had designed 777, the first jet with the use of computers with high technology. (F.Hartley, 2008) Boeing has developed and focused on Boeing 787 Dream liner .In terms of revenue Boeing has made $66387 in 2006, $68281 in 2009 and $68735 in year 2011. Boeing’s Carbon dioxide emission…

Words 3307 - Pages 14

'Manila amendments' to the STCW Convention – as an IMO policy introduced during last decade, which has created controversy among the international maritime community. Essay

Fatigue is still considered as a significant contributory factor to many incidents in the shipping industry despite of legislation concerning seafarers' hours of work and rest that has been in force for many years; overall enforcement measures have generally been ineffective. (OCIMF, 2012). IMO describes fatigue as a “State of feeling tired, weary, or sleepy that results from prolonged mental or physical work, exposure to harsh environment, or loss of sleep which can lead to the impairment of performance…

Words 1596 - Pages 7

Essay on ASCI 611 Human Factors Relating to Safety and Accidents

Human Factors relating to Safety and Accidents ASCI 611 Paper, Summer 2008 Embry Riddle Aeronautical University Abstract: This is a descriptive paper on Human Factors, specifically how the interaction between man and machine can produce conditions that are unsafe and contribute to accidents, injury, loss of property and loss of life. It will identify several Human Factors that come into play when man operates machines. It will provide current and historical…

Words 1914 - Pages 8

Night Terrors

hours every night, in which the nervous system is relatively inactive, eyes closed, muscles relaxed, and consciousness is in a sense suspended. In the early 1950’s we thought sleep was the recurring activity that involves our brains “shutting down.” Research since then has found that our brains are very well active while we sleep. Sleep affects our daily functioning and our physical and mental health, a balance between too little and too much, with the ideal amount of hours asleep is between seven and…

Words 1849 - Pages 8

Boeing Company Analysis Essay

Boeing [pic] Presented by: Urvishkumar Patel Amitkumar Patel Bhavikkumar Patel Manojkumar Patel Vishal Patel Jonathan Mayes MG - 640 Management Policy Dr. Santanu Borah July 27, 2008 TABLE OF CONTENTS INTRODUCTION 5 Company Overview 5 Boeing Commercial Airplanes 5 Boeing Integrated Defense Systems 6 Boeing Capital Corporation 6 Background 7 Sales/Operations 9 Constituent Contributions to Corporate Portfolio and Revenue 12 Market Share, Revenues…

Words 15965 - Pages 64

Tyre Industry Profile

INDUSTRY PROFILE INTRODUCTION 70% of world rubber consumption goes into the tyre industry. The growth in world tyre production has been in response to the growth in the automotive industry. Consequently, tyre production has been a driving force behind growth in the world elastomer industry. At the same time, the improvement in quality and variety of elastomers has enabled the tyre industry to achieve its goals of providing grip, control, safety, comfort and other important features of tyres. The…

Words 10191 - Pages 41

Assignment 2 Essay

Assignment 2: Mergers and Acquisitions Due Week 6 and worth 200 points Use the Internet to research a publicly traded company in the United States that has undergone a merger or acquisition within the last three (3) years. Take note of the circumstances surrounding the merger or acquisition. Write a four to six (4-6) page paper in which you: The specific course learning outcomes associated with this assignment are: 1. Evaluate the different forms of business ownership to determine the optimal structure…

Words 4873 - Pages 20

College: Intensive French Language Essay

University of Grenoble Choose from French Language and Culture Program and Intensive French Language Program Grenoble Business School option also available academic year, fall or spring semester business economics fine arts French language history literature political science sociology Eligibility Open to college sophomores, juniors and seniors minimum 2.5 GPA 18 years or older one recent year of college French required for the French Language and Culture Program additional requirements…

Words 6766 - Pages 28

An Introduction To Sociology: Its Promise And Power

UNIT ONE AN INTRODUCTION TO SOCIOLOGY: ITS PROMISE AND POWER TABLE OF CONTENTS Page UNIT ONE: INTRODUCTION An Introduction to Sociology: its Promise and Power ................................................ 1 Part A: Sociology – Defamiliarising the Familiar .............................................................. 2 1. Sociology and Common Sense............................................................................ 2 2. The Sociological Imagination: Insights, Themes and Skills…

Words 7507 - Pages 31