Pratique du Shadowing: Phát âm chuẩn - Anh ngữ đặc biệt: Low Levels of Vitamin D Might Hurt Brain (VOA) - Apprendre l'anglais à l'oral avec YouTube

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Music From VOA Learning English,
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this is the Health Report.
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Vitamin D is important for healthy bones and teeth.
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It may also help to protect the body against diseases such as diabetes and cancer.
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Now, researchers say vitamin D might help fight brain diseases called dementias.
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Dementias damage thinking and memory processes,
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what scientists call cognitive abilities.
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Dementias are difficult to treat,
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and the disease is very frightening to those who have it.
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More than 47 million people around the world suffer from dementia.
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The World Health Organization reports that 60% of them live in low- and middle-income countries.
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Now, a new study in the United States shows a possible link between dementia and low levels of vitamin D.
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Researchers at Rutgers University in New Jersey are exploring the relationship between vitamin D and dementia.
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The team recently measured vitamin D levels and cognitive ability in older people.
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Nutritional sciences professor Joshua Miller led the team.
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He said cognitive abilities differed among the subjects studied.
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He said tests showed that about 60% of the group was low in vitamin D.
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Those subjects who had low vitamin D levels showed more short-term memory loss.
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They also were less able to organize thoughts,
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order tasks by importance, and make decisions.
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The findings suggest that vitamin D might play a part in slowing dementia.
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More studies, however, are needed to see if vitamin D supplements can help.
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The research was published in JAMA Neurology.
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For VOA Learning English, I'm Jonathan Evans.

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About This Lesson

This lesson focuses on the importance of Vitamin D and its potential impact on cognitive abilities, particularly in relation to dementia. By engaging with this content, learners will practice their listening and speaking skills, with a special emphasis on pronunciation. The vocabulary and phrases from the transcript not only enhance understanding but also serve as key components for effective communication. This exercise is particularly beneficial for English learners who are preparing for exams like the IELTS, as it incorporates medical terminology and promotes clear pronunciation.

Key Vocabulary & Phrases

  • Vitamin D: A vital nutrient important for health.
  • Dementia: A group of symptoms affecting memory, thinking, and social abilities.
  • Cognitive abilities: Mental skills such as memory and decision-making.
  • Short-term memory: The capacity to hold a small amount of information for a brief period.
  • Organize thoughts: The ability to arrange ideas logically.
  • Decision-making: The process of making choices or judgments.
  • Link: A connection or relationship between two factors.
  • Research findings: Results obtained from a study.

Practice Tips

To effectively improve your English pronunciation, engage in shadowing activities using a shadowing app or by utilizing techniques from shadow speak. This involves listening closely to the audio from the video and repeating what you hear, focusing on mimicking the speaker's intonation, rhythm, and pronunciation.

Given the moderate pace of the speaker in the video, it's recommended to start by listening to short segments. Repeat each segment several times, pausing as needed to ensure clarity. Aim to maintain a steady flow and rhythm, which will help in enhancing your IELTS speaking practice. Regularly practicing with content like this can significantly aid in improving your pronunciation skills.

Utilizing shadowspeaks, or practicing in front of a mirror while shadowing, can provide visual feedback on your mouth movements and pronunciation. This multimodal approach not only reinforces learning but also builds confidence in speaking. Remember, consistency in practice will lead to marked improvement, especially in areas such as cognitive-related vocabulary and comprehension.

Qu'est-ce que la technique du Shadowing ?

Le Shadowing est une technique d'apprentissage des langues fondée sur la science, développée à l'origine pour la formation des interprètes professionnels. Le principe est simple mais puissant : vous écoutez de l'anglais natif et le répétez immédiatement à voix haute — comme une ombre suivant le locuteur avec un décalage de 1 à 2 secondes. Les recherches montrent une amélioration significative de la précision de la prononciation, de l'intonation, du rythme, des liaisons, de la compréhension orale et de la fluidité.

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