शैडोइंग अभ्यास: RE3 Unit 6A - वीडियो के साथ अंग्रेजी बोलना सीखें
पाठ बनाया जा रहा है...
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track 11 reading 6a the world's favorite drug it's 1 45 a .m
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and 21 year old thomas murphy is burning the midnight oil
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studying for an important engineering exam he has it too in the afternoon later today to stay awake
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and alert he's had two cups of coffee in the last three hours
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and is now downing a popular energy drink one
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that has two to three times the amount of caffeine as
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a similar sized can of soda many students like murphy as well as marathon runners airline pilots
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and long -distance travelers owe their energy to one of humankind's oldest stimulants
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caffeine the power to counter physical fatigue
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and increase alertness is part of the reason caffeine ranks as
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the world's most popular mood -altering drug it is found not only in sodas energy drinks, coffee and tea, but in diet pills,
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pain relievers like aspirin and chocolate bars.
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Many societies around the world have also created entire rituals around the use of caffeine.
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For example, there's the cafe culture of France, the tea ceremony in Japan and the morning cup of coffee
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or tea that marks the start of the day in many cultures.
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Caffeine is present in many of the foods and drinks we consume, but is it good for us?
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Charles Seisler, a scientist and sleep expert at Harvard Medical School, believes that caffeine causes us to lose sleep, which he says is unhealthy.
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Without adequate sleep, the typical eight hours, the human body will not function at its best, physically, mentally or emotionally.
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Too often, Seisler says, we consume caffeine to stay awake, which later makes it impossible for us to get the rest we need.
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Health risks have also been tied to caffeine consumption Over the years,
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studies have attributed higher rates of certain types of cancer and bone disease to caffeine consumption To date,
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however, there is no proof that caffeine actually causes these diseases A number of scientists,
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including Roland Griffiths, a professor at the Johns Hopkins School of Medicine in the United States believe
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that regular caffeine use causes physical dependence heavy caffeine uses Griffith
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says exhibit similar behaviors for example their moods fluctuate from high to low they get mild to severe headaches
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or they feel tired or sad when they can't have a caffeinated drink to minimize
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or stop these feelings users must consume caffeine a behavior Griffith
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says is characteristic of drug addiction despite these concerns the general opinion in the scientific community is
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that caffeine is not dangerous when consumed in moderation this means having one
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or two small cups of coffee about 300 milligrams of caffeine
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per day for example furthermore a lot of current research contradicts long -held negative beliefs about caffeine
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and suggests that it may in fact have health benefits for instance studies have shown
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that caffeine can help ease muscle pain because it is a stimulant caffeine can also help improve one's mood.
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Research has also shown that some caffeinated drinks, specifically certain teas, have disease fighting chemicals that can help the body fight a number of illnesses,
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including certain types of cancer.
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In addition, as a type of mental stimulant, caffeine increases alertness, memory and reaction speed.
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Because it fights fatigue, it facilitates performance on tasks like driving, flying and solving simple math problems.
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And while it is true that caffeine can increase blood pressure The effect is usually temporary
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and therefore not likely to cause heart trouble This is especially true if caffeine is consumed in moderation Moreover,
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despite its nearly universal use, caffeine has rarely been abused With caffeine, overuse tends to stop itself,
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says Jack Bergman, a specialist at Harvard Medical School If you consume too much, you get uncomfortable and you don't want to continue.
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Caffeine's behavioural effects are real, but most often mild.
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Getting that burst of energy, of course, is why many of the world's most popular drinks contain caffeine.
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Whether it's a student drinking coffee before class or a business person enjoying tea with lunch,
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humankind's favourite stimulant is at work every day, all over the world.
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इस पाठ के बारे में
आप "RE3 Unit 6A" के साथ Shadowing तकनीक का उपयोग करके अपनी अंग्रेजी का अभ्यास कर रहे हैं।
शैडोइंग तकनीक क्या है?
शैडोइंग (Shadowing) एक विज्ञान-समर्थित भाषा सीखने की तकनीक है जो मूल रूप से पेशेवर दुभाषिया प्रशिक्षण के लिए विकसित की गई थी। विधि सरल लेकिन शक्तिशाली है: आप मूल अंग्रेज़ी ऑडियो सुनते हैं और तुरंत इसे ज़ोर से दोहराते हैं — जैसे वक्ता की छाया 1-2 सेकंड की देरी से। शोध से पता चलता है कि यह उच्चारण सटीकता, स्वर, लय, जुड़ी हुई ध्वनियाँ, सुनने की समझ और बोलने की प्रवाहशीलता में काफ़ी सुधार करता है।