Практика Shadowing: Vitamin D Testing Challenges - Изучайте разговорный английский по видео
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so in this video i want to touch on vitamin d testing challenges okay the big the big problem with vitamin d is that there's no agreed upon value of what you should have in your
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blood i mean they have an idea or estimation and we can range all the way from this value right here to this value right here depending on what units you use could range from this value to this
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value i guess you can take an average of these numbers depending on what units you're measuring vitamin d from also the institute of medicine will tell you that you need between 600 to 800 IUS
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of vitamin d every day yet the endocrinology society will say you need a thousand to 200 IUS every day so again there's this there's not a lot of agreement on how much you need
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or how much should be in your blood a couple things i want to talk about that are very very important though there's two forms of vitamin d one is an inactive form 25 hydroxy vitamin d so it's like the precursor to the active
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form which is 125 dihydroxy vitamin d so this is the active form this is the inactive form the way this works and by the way most of the vitamin d in your blood is
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the pre-inactive version and many times what they're testing is they're testing 25 hydroxy vitamin d they're testing the
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precursor or the inactive vitamin d okay put that to the side we'll come back to it so what happens is you have the pre-vitamin d that goes through the body and goes
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through the liver and from the liver it then goes to the kidney the kidney is the primary site for conversion of the inactive to the active version of
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vitamin d what if there is damage to the kidney you're going to lose your conversion capacity and how many people have damage to the kidney well what damage is a kidney
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diabetes is a is a big thing but also insulin resistance what percentage of the population has insulin resistance i would say between
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65 to 75 of the entire population that is going to alter the ability for the kidney to convert the inactive to the active
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when you get your test back from the lab that says your 5-hydroxy vitamin d is within normal levels well what about the active form are you getting a 100 conversion by the kidney
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is there any problem with the kidney that's one variable it's very common to have people with a defect in the vitamin d receptors called polymorphism
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and even though you may have normal vitamin d in your blood it's not being activated because at the receptor level it's not working
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also if there's not enough bile in the body you won't get the conversion and if there's liver damage you won't be able to produce the bile to make the conversion
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if there's no gallbladder there you could be bile deficient so you're not going to have enough bile to make the conversion we already mentioned about insulin resistance if there's inflammation in the body that can lower your ability to convert vitamin d
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if there's malabsorption gut problems let's say you had a series of antibiotics as a child and that created scarring of your in your colon that can create a decreased capacity for conversion if
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you had a gastric bypass that could also alter your ability to convert vitamin d so as you can see there are many different variables so you have to look at the big picture what i tell people is to err on the side
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of taking more vitamin d than less and make sure you have enough bile so you can actually get the absorption all right i hope i didn't add more confusion but i wanted to clear
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up some of these variables and the point of this video was just to mention that just because this right here is normal doesn't necessarily mean it's being fully converted
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to the active form hey we're back with another amazing recipe no grains no sugar totally keto there's no
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suffering in keto absolutely not karen and it's an immune system builder absolutely you have to check this out i think you should hurry up watch the recipe and make it yourself it's just so easy
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to be keto but is it simple it's super simple we hope you enjoy making it as much as we are enjoying eating it
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Лексика и советы по произношению к этому уроку
Этот урок разговорной практики уровня B2 построен на видео «Vitamin D Testing Challenges». Чаще всего повторяются слова: vitamin, kidney, conversion, inactive, active. В этом видео 24 предложений и 759 слов для шедоуинга. Речь длится 4:58. Говорящий говорит в естественном темпе, около 153 слов в минуту, близком к повседневной речи. Только 81% слов входят в 3000 самых частых слов английского языка, поэтому лексика сложная.
Ключевая лексика этого видео
Самые сложные слова из видео (15), с произношением и значением:
| Слово | Произношение | Значение |
|---|---|---|
| vitamin существительное | /ˈvɪt.ə.mɪn/ | витами́н |
| kidney существительное | /ˈkɪdni/ | по́чка |
| inactive прилагательное | /ɪnˈæktɪv/ | неакти́вный, безде́йствующий |
| boil глагол | /bɔɪ(ə)l/ | кипяти́ть, вскипяти́ть |
| convert глагол | /kənˈvɝt/ | превраща́ть, преврати́ть |
| insulin существительное | /ˈɪnsəlɪn/ | инсули́н |
| variable прилагательное | [ˈvæɹ.i.ə.bl̩] | переме́нный, изме́нчивый |
| precursor существительное | /pɹɪˈkɜː.sə/ | предше́ственник, предше́ственница |
| receptor существительное | /ɹɪˈsɛp.tə/ | реце́птор |
| altar существительное | /ˈɔl.tɚ/ | алта́рь, же́ртвенник |
| depend глагол | /dɪˈpɛnd/ | зави́сеть |
| endocrinology существительное | /ˌɛn.də.kɹɪˈnɑ.lə.d͡ʒi/ | эндокриноло́гия |
| gastric прилагательное | /ˈɡæstɹɪk/ | желу́дочный |
| polymorphism существительное | /pɑliˈmɔɹfɪz(ə)m/ | полиморфи́зм |
| antibiotic существительное | /ˌæn.taɪ.baɪˈɑ.tɪk/ | антибио́тик |
Произношение, на которое стоит обратить внимание
Говорящий использует 12 сокращённых и редуцированных форм, например they're, you're, won't. Произносите их коротко, так, как слышите.
- Звуки «sh» и «zh»: deficient /dɪˈfɪʃənt/, estimation /ˌɛs.təˈmeɪ.ʃən/, absorption /æbˈsɔɹp.ʃn̩/, inflammation /ɪnfləˈmeɪ̯ʃən/, confusion /kənˈfjuːʒən/
- Длинные слова — следите за ударением: endocrinology /ˌɛn.də.kɹɪˈnɑ.lə.d͡ʒi/, estimation /ˌɛs.təˈmeɪ.ʃən/, polymorphism /pɑliˈmɔɹfɪz(ə)m/, antibiotic /ˌæn.taɪ.baɪˈɑ.tɪk/, inflammation /ɪnfləˈmeɪ̯ʃən/
Звуки, трудные для русскоязычных:
- Звонкие согласные в конце слова — не оглушайте их: inactive /ɪnˈæktɪv/, depend /dɪˈpɛnd/, diabetes /ˌdaɪəˈbiːtiːz/
Как заниматься с этим видео
- Прослушайте всё видео один раз молча и выпишите незнакомые слова.
- Начните со скорости 0,75×, повторяйте предложение за предложением и вернитесь к обычной скорости, когда станет легко.
- Запишите себя и сравните с оригиналом, обращая внимание на такие слова, как vitamin, kidney, inactive.
Что такое техника Shadowing?
Shadowing — это научно обоснованная техника изучения языка, изначально разработанная для подготовки профессиональных переводчиков и популяризированная полиглотом доктором Александром Аргуэльесом. Метод прост, но эффективен: вы слушаете аудио на английском от носителей языка и немедленно повторяете вслух — как тень, следующая за говорящим с задержкой в 1–2 секунды. В отличие от пассивного прослушивания или грамматических упражнений, Shadowing заставляет мозг и мышцы рта одновременно обрабатывать и воспроизводить реальные речевые паттерны. Исследования показывают, что это значительно улучшает точность произношения, интонацию, ритм, связную речь, понимание на слух и беглость речи — что делает его одним из самых эффективных методов для подготовки к IELTS Speaking и реального общения на английском.