Shadowing Practice: Milk. White Poison or Healthy Drink? - Learn English Speaking with Video
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Over the last decade, milk has become a bit controversial.
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Some people say it's a necessary and nutritious food, vital for healthy bones.
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But others say it can cause cancer and lead to an early death.
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So who's right?
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And why are we drinking it anyway?
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Milk is the basis of every mammal's diet after birth when our digestive systems are immature and small.
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Basically, it's power food to kick-start our bodies and help us grow.
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Milk is rich in fat, vitamins, minerals and milk sugar, lactose.
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On top of that, for a while after birth, it also contains antibodies and proteins that protect us from infections and regulate our immune system.
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But it's a lot of effort for mothers to produce.
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Eventually, humans stopped drinking mother's milk and transitioned to the diet of their parents.
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This is how it's been for thousands of years.
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Until about 11,000 years ago when our ancestors settled down in the first agricultural communities.
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Soon they domesticated the first dairy animals, goats, sheep and cattle.
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They found that dairy animals are able to eat useless and abundant stuff and turn it into nutritious and tasty food.
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This made a huge difference in terms of survival, especially in hard times.
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So groups that had milk available had an evolutionary advantage.
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And through natural selection, it changed the genes of communities who consumed a lot of it.
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This adaptation has to do with a specialized enzyme, lactase.
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Babies have a lot of it in their system, so they can break down the milk sugar lactose and digest milk easily.
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But the older we grow, the fewer lactase enzymes our body produces.
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Worldwide about 65% of the population do not have the enzyme after infancy, which means they are not able to digest more than about 150 milliliters each day.
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This lactose intolerance is not spread evenly around the world though.
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In some East Asian communities, for example, it's up to 90%.
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In Northern Europe and North America, the rates are the lowest overall.
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There are probably a few reasons for this uneven distribution.
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The trait was first introduced by random mutation, which happened independently of each other in a few populations.
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The fact that farming replaced hunting and gathering more and more created natural selection pressure.
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who were able to digest lactose had more foods at hand, which was an advantage.
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The migration of dairy farmers to the north then spread it further, which probably pushed back populations there that didn't have the trait.
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Okay, but if milk has been a valuable part of our diet for thousands of years, why is it so controversial?
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There are a number of claims regarding the negative and positive health effects of milk.
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The negative ones cover a wide variety.
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From brittle bones to cancer and cardiovascular diseases to intolerance and allergies.
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So how do they hold up?
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Some older studies found a connection between milk and a high risk of breast, colon and prostate cancer.
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But meta-analyses found no impact on your cancer risk.
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On the contrary, the calcium in milk might even have a protective effect against colon cancer.
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Although this could be calcium in general, it's not clear milk plays a role in this effect.
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Only studies on prostate cancer showed an increased risk for people who consumed more than 1.25 liters of milk a day.
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But again, the association is inconsistent and other studies don't find any effect.
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We discuss these studies in more detail in our sources document.
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All in all, the research seems to show that if you drink between 100 to 250 millilitres of milk per day, cancer is not a concern.
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Similarly, meta-analyses could not find any impact from milk or dairy products on your risk of heart disease, stroke or your total mortality.
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Some studies even suggested that high blood pressure might be rarer in people who eat a lot of dairy, although the evidence is not strong enough to claim this with confidence.
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The case gets more complicated though when we look at bones.
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A number of studies found neither positive nor negative effects for adults.
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What most people worry most about though are harmful amounts of pesticides, antibiotics or hormones.
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There are hormones in milk, but only in very low concentrations.
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For example, to get the same amount of hormones as from the pill, you'd need to drink about 5,000 liters of milk and even if you did,
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most hormones would be destroyed by your digestive system before they could affect you.
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Which is the reason why so much medication is coated to protect it from our digestion.
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For pesticides and antibiotics, there are regulations in most parts of the world that only allow completely harmless amounts.
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Milk that surpasses these thresholds is not allowed to go on the shelf, so there's nothing in particular to worry about.
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Besides allergies and those suffering from lactose intolerances,
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the best known negative effects of milk are probably acne and general discomfort after drinking milk or eating dairy products.
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And here, the effects are very real.
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For example, skimmed milk has been found to statistically increase the rate of acne by 24%.
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Allergies against milk products are especially prevalent among children, with 1 in 18 kids in Germany suffering from them.
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In general, these allergies tend to get better or disappear as they grow older though.
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Okay, is milk healthy then?
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Milk, no matter if it comes from mothers, cows, sheep, goats or camels, is a nutrient-dense food.
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It contains all necessary macronutrients and many micronutrients.
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Especially in regions where people struggle to get enough calories, milk can contribute to a healthy life and lower child mortality.
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For those living in the developed world, in general milk is not harmful if you are not allergic or intolerant to it.
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Especially for children, it's a good way to get large amounts of calcium and for vegetarians, it's a good source of vitamin B12 and B vitamins in general.
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This does not mean there are not other alternatives with the same effect.
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You do not need to drink milk to be healthy.
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Milk is also definitely not a substitute for water.
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Milk is power food
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and the additional calories from drinking a lot of it on a regular basis can contribute to being overweight.
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flavored milk or chocolate milk is more comparable to beverages like lemonade than a healthy snack.
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And there's another thing to consider.
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Milk production has a significant impact on the global climate.
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About 33% of cropland is used to feed grazing animals, including dairy cattle.
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Even though the carbon footprint of dairy products has declined since 1990, dairy production is still responsible for 3% of all greenhouse gas emissions,
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even more than all aeroplanes combined.
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Milk is a huge industry and sadly most of its production in factory farms causes incredible suffering.
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Cows are impregnated over and over, separated from their young shortly after birth, and slaughtered once their tortured bodies are not productive anymore.
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We can't ignore that much of the milk we consume stems from an industry
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that is basically torture and contributes to climate change.
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What about plant-based milk?
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In terms of protein levels and nutritional value, only soy milk can compare to cow milk.
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The others need to be artificially enriched to reach similar levels of vitamins and calcium.
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So they can be an alternative to milk.
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And another option might be available soon.
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Several startups have created non-animal milk that is nutritionally identical to dairy milk, for example through fermentation by gene-modified bacteria.
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This lab-grown milk can even be turned into cheese, something that plant-based alternatives struggle with because they lack casein and whey protein,
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the key ingredients that give dairy its taste and structure.
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The environmental impact is a different story though.
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Many milk alternatives use significantly less energy, land and less water to produce, so they have a much lower environmental impact than animal milk.
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If you want to have the lowest possible negative impact on the planet, the best choice is whatever milk alternative is regional.
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As with almost any topic, milk is complicated.
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It's not harmful for the majority of the population and it's crucial for many people around the world.
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It's good, nutritious food, but also harmful to the planet and causes a lot of suffering.
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We need to decide as a society how we want to deal with these facts.
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Woordenschat en spreektips bij deze les
Deze spreekles op niveau C1 is gebaseerd op de video “Milk. White Poison or Healthy Drink?”. Deze woorden komen het vaakst terug: milk, dairy, effect, cancer, impact. Deze video bevat 96 zinnen en 1397 woorden om na te spreken. Het gesproken deel duurt 9:13. De spreker praat in een natuurlijk tempo van ongeveer 152 woorden per minuut, dicht bij een alledaags gesprek. Slechts 81% van de woorden hoort bij de 3.000 meest gebruikte Engelse woorden, dus de woordenschat is pittig.
Belangrijke woorden in deze video
De 15 moeilijkste woorden uit de video, met uitspraak en betekenis:
| Woord | Uitspraak | Betekenis |
|---|---|---|
| lactose zelfstandig naamwoord | /ˈlæk.toʊs/ | lactose, melksuiker |
| allergy zelfstandig naamwoord | /ˈæl.əɹ.d͡ʒi/ | allergie |
| hormone zelfstandig naamwoord | /ˈhoɹmoʊn/ | hormoon |
| calcium zelfstandig naamwoord | /ˈkælsi.əm/ | calcium |
| harmful bijvoeglijk naamwoord | /ˈhɑɹmfl̩/ | schadelijk |
| vitamin zelfstandig naamwoord | /ˈvɪt.ə.mɪn/ | vitamine |
| intolerance zelfstandig naamwoord | /ɪnˈtɑ.lə.ɹəns/ | onverdraagzaamheid, intolerantie |
| nutritious bijvoeglijk naamwoord | /nuːˈtɹɪʃəs/ | voedzaam |
| digest werkwoord | /daɪˈd͡ʒɛst/ | ordenen |
| enzyme zelfstandig naamwoord | /ˈɛn.zaɪm/ | enzym |
| consume werkwoord | /kənˈsum/ | consumeren, verbruiken |
| lactase zelfstandig naamwoord | lactase | |
| pesticide zelfstandig naamwoord | /ˈpɛstɪsaɪd/ | pesticide, verdelgingsmiddel |
| antibiotic zelfstandig naamwoord | /ˌæn.taɪ.baɪˈɑ.tɪk/ | antibioticum |
| calorie zelfstandig naamwoord | /ˈkæləɹi/ | calorie |
Phrasal verbs die je zult horen
| Woord | Betekenis |
|---|---|
| break down werkwoord | stukgaan, kapot gaan |
Grammatica in deze video
De structuren die de spreker het meest gebruikt, met de exacte woorden uit de video:
| Structuur | In de video |
|---|---|
| Lijdende vorm be + voltooid deelwoord — het gaat om wat er gebeurt, niet om wie het doet | is not spread · would be destroyed · is coated |
| Present perfect have/has + voltooid deelwoord — iets uit het verleden dat nu nog telt | has become · it's been · has been |
| Betrekkelijke bijzinnen who / which + zin — extra informatie over een persoon of ding | infancy, which means · hand, which was · people who consumed |
Uitspraak om op te letten
De spreker gebruikt 4 samentrekkingen en verkorte vormen, zoals can't, didn't, don't. Spreek ze kort uit, zoals je ze hoort.
- De klanken “sh” en “zh”: nutritious /nuːˈtɹɪʃəs/, fermentation /ˌfɜɹmənˈteɪʃən/, specialize /ˈspɛʃəˌlaɪz/, nutritional /njuːˈtɹɪʃ.ə.nəl/, mutation /mjuˈteɪʃən/
- Lange woorden — let op de klemtoon: intolerance /ɪnˈtɑ.lə.ɹəns/, antibiotic /ˌæn.taɪ.baɪˈɑ.tɪk/, mortality /mɔɹˈtælɪti/, antibody /ˈæn.tɪˌbɑ.di/, domesticate /dəˈmɛ.stɪ.keɪt/
Klanken die Nederlandstaligen lastig vinden:
- Stemhebbende eindmedeklinker — /b/, /d/, /g/, /z/, /v/ niet verscherpen: digestive /daɪˈdʒɛstɪv/, pesticide /ˈpɛstɪsaɪd/, specialize /ˈspɛʃəˌlaɪz/, beverage /ˈbɛv(ə)ɹɪd͡ʒ/, threshold /ˈθɹɛʃ(h)oʊld/
- /æ/ — opener dan de Nederlandse “e”: lactose /ˈlæk.toʊs/, allergy /ˈæl.əɹ.d͡ʒi/, calcium /ˈkælsi.əm/, antibiotic /ˌæn.taɪ.baɪˈɑ.tɪk/, calorie /ˈkæləɹi/
- /g/ — een harde plofklank, geen Nederlandse “g”: goat /ɡoʊt/, impregnate /ˈɪmpɹɛɡneɪt/, ingredient /ɪnˈɡɹiːdi.ənt/, greenhouse /ˈɡɹːnˌ(h)aʊs/, regulate /ˈɹɛɡ.jə.leɪt/
Zo oefen je met deze video
- Luister de hele video één keer zonder te spreken en noteer de woorden die je niet kent.
- Begin op 0,75× snelheid, spreek zin voor zin na en ga terug naar normale snelheid zodra het makkelijk gaat.
- Neem jezelf op en vergelijk met het origineel; let daarbij op woorden als lactose, allergy, hormone.
Wat is de Shadowing-techniek?
Shadowing is een wetenschappelijk onderbouwde taalleermethode die oorspronkelijk is ontwikkeld voor professionele tolkentraining en gepopulariseerd door polyglot Dr. Alexander Arguelles. De methode is eenvoudig maar krachtig: je luistert naar native Engelse audio en herhaalt het onmiddellijk hardop — als een schaduw die de spreker volgt met slechts 1–2 seconden vertraging. In tegenstelling tot passief luisteren of grammaticadrills, dwingt shadowing je hersenen en mondspieren om echte spraakpatronen tegelijkertijd te verwerken en te reproduceren. Onderzoek toont aan dat het de uitspraaknauwkeurigheid, intonatie, ritme, verbonden spraak, luisterbegrip en spreekvaardigheid aanzienlijk verbetert — waardoor het een van de meest effectieve methoden is voor IELTS Speaking-voorbereiding en echte Engelse communicatie.