Pratique du Shadowing: The impact of sugar | 60 Minutes Archive - Apprendre l'anglais à l'oral avec la vidéo

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179 phrases
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The chances are good that sugar is a bigger part of your daily diet than you may realize, which is why our story tonight is so important.
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New research coming out of some of America's most respected institutions is starting to find that sugar, the way many people are eating it today,
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is a toxin and could be a driving force behind some of this country's leading killers, including heart disease.
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As a result of these findings, an anti -sugar campaign has sprung up, led by Dr. Robert Lustig,
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a California endocrinologist, who believes the consumption of added sugars has plunged America into a public health crisis. Is sugar toxic?
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I believe it is.
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Do you ever worry that that just sounds a little bit over the top?
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Sure.
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All the time.
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But it's the truth.
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Dr. Robert Lustig is a pediatric endocrinologist at the University of California san francisco
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and a pioneer in what is becoming a war against sugar
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deep breaths motivated by his own patients too many sick
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and obese children dr lustig has concluded
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that sugar more than any other substance is to blame what are all these various diseases
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that you say are linked to sugar
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obesity type 2 diabetes hypertension and heart disease itself lustig says the american lifestyle is killing us.
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And most of it, you say, is preventable.
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75 % of it is preventable.
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While Dr. Lustig has published a dozen scientific articles on the evils of sugar, it was his lecture on YouTube called Sugar,
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the Bitter Truth, that brought his message to the masses.
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I'm standing here today to recruit you in the war against bad food.
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By bad food, Dr. Lustig means the obvious things such as table sugar, honey, syrup, sugary drinks and desserts,
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but also just about every processed food you can imagine where sugar is often hidden.
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Yogurts and sauces, bread, even peanut butter.
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And what about the man -made, often vilified sweetener, high fructose corn syrup?
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Is it worse than just table sugar?
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No, because it's the exact same.
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They are basically equivalent problem is they're both bad they're both
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equally toxic since the 1970s sugar consumption has gone down nearly 40 %
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but high fructose corn syrup has more than made up the difference dr. lustig says they are both toxic
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because they both contain fructose that's what makes them sweet
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and irresistible we love it we go out of our way to find it
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and I think one of the reasons evolutionarily is
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because there is no foodstuff on the planet that has fructose
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that is poisonous to you it is all good so
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when you taste something that's sweet it's an evolutionary Darwinian signal
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that this is a safe food we were born this way
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we were born this way central to dr. Lustig's theory is
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that we used to get our fructose mostly in small amounts of fruit
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which came loaded with fiber that slows absorption and consumption.
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After all, who can eat 10 oranges at a time?
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But as sugar and high fructose corn syrup became cheaper to refine and produce, we started gorging on them.
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Americans now consume 130 pounds per person a year.
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That's a third of a pound every day.
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Dr. Lustig believes those sweeteners are helping fuel an increase in the most deadly disease in America, heart disease.
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For years, he's been a controversial voice.
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Here is our oral isotope.
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But now studies done by Kimber Stanhope, a nutritional biologist at the University of California, Davis, are starting to back him up.
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She's in the middle of a groundbreaking five -year study
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which has already shown strong evidence linking excess high fructose corn
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syrup consumption to an increase in risk factors for heart disease
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and stroke that suggests calories from added sugars are different than calories from other foods the mantra
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that you hear from most nutritionists is
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that a calorie is a calorie is a calorie
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and i think the results of the study showed clearly
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that is not true stanhope's conclusions weren't easy to come by nutrition studies are expensive
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and difficult stanhope has paid groups of research subjects to live
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in this hospital wing for weeks at a time under a sort of 24 -hour lockdown.
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They undergo scans and blood tests.
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Every calorie they ingest meticulously weighed and prepared.
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They're never out of our sight.
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So we do know that they are consuming exactly what we need them to consume.
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And they're not sneaking any candy bars on the side.
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Yeah, exactly.
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For the first few days, participants eat a diet low in added sugars, so baseline blood levels can be measured.
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So remember, you guys have to finish all your Kool -Aid.
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Then 25 % of their calories are replaced with sweetened drinks, and Stanhope's team starts drawing blood every 30 minutes around the clock.
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And those blood samples?
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They revealed something disturbing.
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And what are you starting to see?
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We found that the subjects who consumed high -fructose corn syrup had increased blood levels of LDL cholesterol
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and other risk factors for cardiovascular disease.
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How quickly did these changes occur?
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Within two weeks.
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Kimber Stanhope's study suggests that when a person consumes too much sweet stuff, the liver gets overloaded with fructose and converts some of it into fat.
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Some of that fat ends up in the bloodstream and helps generate a dangerous kind of cholesterol called small dense LDL.
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These particles are known to lodge in blood vessels, form plaque and are associated with heart attacks.
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Did it surprise you when you first got these results back?
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I would have to say I was surprised because
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when I saw our data I started drinking and eating a whole lot less sugar.
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I would say our data surprised me.
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So imagine, for these healthy young people, drinking a sweetened drink might be just as bad for their
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hearts as the fatty cheeseburgers we've all been warned about since the 1970s.
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That's when a government commission mandated that we lower fat consumption to try and reduce heart disease.
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Major coronary risk factors.
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So with the best of intentions, they say, time to reduce fat in the American diet.
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Exactly.
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And we did.
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And guess what?
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So heart disease, metabolic syndrome, diabetes, and death are skyrocketing.
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Dr. Lustig believes that's primarily because we replaced a lot of that fat with added sugars.
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When you take the fat out of the food, it tastes like cardboard.
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And the food industry knew that, so they replaced it with sugar.
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This idea that sugar increases this particularly bad LDL, the small, dense particles that are associated with heart disease.
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Do most doctors, do they know this?
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No, they do not know this.
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This is new.
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And it turns out, sugar has become a major focus in cancer research, too.
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Lewis Cantley is looking at the connection.
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If you limit your sugar, you decrease your chances of developing cancer.
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Absolutely.
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Cantley, a Harvard professor and the head of the Beth Israel Deaconess Cancer Center, says when we eat or drink sugar, it causes a sudden spike in the hormone insulin,
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which can serve as a catalyst to fuel certain types of cancers.
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What we're beginning to learn is that insulin can cause adverse effects in various tissues.
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And a particular concern is cancer.
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Why?
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Nearly a third of some common cancers, including breast and colon cancers, have something called insulin receptors on their surface.
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Insulin binds to these receptors and signals the tumor to start consuming glucose.
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So this is your body eating...
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Every cell in our body needs glucose to survive, but the trouble is these cancer cells also use it to grow.
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So if you happen to have a tumor that has insulin receptors on it, then it will get stimulated to take up the glucose that's in the bloodstream.
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So rather than going into the fat or the muscle, the glucose now goes into the tumor and the tumor uses it to grow.
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So you've just seen that tumor turn blue, which is essentially reflective of the glucose going into it.
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And that's right.
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So these cancers, much in the same way that muscle will say, hey, I'd like some of that glucose.
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The fat says, I would like some of that glucose.
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The cancers have learned how to do this themselves as well?
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Yes.
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So they have evolved the ability to hijack that flow of glucose that's going by in the bloodstream into the tumor itself.
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Lewis Cantley's research team is working on developing drugs
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that will cut off the glucose supply to cancer cells and keep them from growing.
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But until there's a breakthrough, Cantley's advice, don't eat sugar.
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And if you must, keep it to a minimum.
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In fact, I live my life that way.
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I rarely eat sugar.
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When you see a sugary drink, or if I were to offer you one, with all that you know, what's going through your mind?
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I probably would turn it down and get a glass of water.
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But for most of us, that's easier said than done.
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It turns out sugar is much more addictive than I think we had sort of realized early on.
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Eric Stice, a neuroscientist at the Oregon Research Institute, is using functional MRI scanners to learn how our brains respond to sweetness.
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Sugar activates our brain in a special way that's very reminiscent of drugs like cocaine.
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That's right cocaine.
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All right, let's give it a shot.
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I climbed into the MRI scanner to see how my brain would respond.
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That's a straw that's been rigged to deliver a tiny sip of soda into my mouth.
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Stay as still as you can, okay?
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Just as it hit my tongue, the scanner detected increased blood rushing to certain regions of my brain.
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In these images, the yellow area show that my reward region is responding to the sweet taste.
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Dopamine, a chemical that controls the brain's pleasure center, is being released, just as it would in response to drugs or alcohol.
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So dopamine's released, that sort of makes me feel good, I'm experiencing some pleasure from having this kid.
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Right, that euphoric effect.
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So far be it for people to realize this, because sugar is everywhere, but you're saying this is one of the most addictive substances possibly that we have.
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It certainly is very good at firing the reward regions in our brain.
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Eric Stice says by scanning hundreds of volunteers,
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he's learned that people who frequently drink sodas or eat ice cream or other sweet foods may be building up a tolerance, much like drug users do.
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As strange as it sounds, that means the more you eat, the less you feel the reward.
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The result?
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You eat more than ever.
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If you overeat these on a regular basis, it causes changes in the brain that basically Basically, it blunts your reward region response to the food,
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so then you eat more and more to achieve the same satisfaction you felt originally.
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With all this new science emerging, we wanted to hear from the sugar industry.
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So we visited Jim Simon, who's on the board of the Sugar Association, at a sugarcane farm in Louisiana.
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Would it surprise you that almost every scientist
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that we talked to in researching this story told us they are eliminating all added sugars.
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They're getting rid of it because they're concerned about the health impacts.
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To say that the American consuming public is going to completely eliminate sweeteners out of their diet,
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I don't think gets us there.
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Simon cautions that eliminating sugar wrongly vilifies one food, rather than working toward the long -term solution of reducing calories and exercising.
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You know, a lot of people, Jim, are saying that sugar is different.
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It is bad for your heart and causing a lot of the problems that we are talking about.
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It is addictive and in some cases might even fuel cancers.
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What would you, I mean you've looked at this, you must have looked at some of these studies.
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What do you say about that?
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Science is not completely clear here.
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But some of these studies exist.
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I mean what is a consumer, what are they to make of all that?
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Well I would say to them that they've got to approach their diet in balance.
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Dr. Robert Lustig agrees.
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We need a balanced diet.
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But his idea of balance is a drastic reduction in sugar consumption. To that end,
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he co -authored an American Heart Association report recommending men should consume no more than 150 calories of added sugars a day.
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And women, just 100 calories.
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That's less than the amount in just one can of soda.
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Ultimately, this is a public health crisis.
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And when it's a public health crisis, you have to do big things and you have to do them across the board.
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Tobacco and alcohol are perfect examples.
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We have made a conscious choice that we're not going to get rid of them, but we are going to limit their consumption.
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I think sugar belongs in this exact same wastebasket.

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Vocabulaire et conseils d’expression pour cette leçon

Cette leçon d’expression orale s’appuie sur la vidéo « The impact of sugar ». Les mots qui reviennent le plus souvent : sugar, cancer, lustig, calorie, disease. Cette vidéo contient 179 phrases et 2183 mots à répéter en shadowing. La partie parlée dure 13:31. Le locuteur parle à un rythme naturel d’environ 162 mots par minute, proche d’une conversation courante. Seuls 80 % des mots font partie des 3 000 mots les plus courants en anglais, le vocabulaire est donc exigeant.

Vocabulaire clé de cette vidéo

15 mots de la vidéo à retenir, avec leur prononciation et leur sens :

MotPrononciationSens
calorie nom/ˈkæləɹi/calorie
glucose nom/ˈɡluː.kəʊz/glucose
consume verbe/kənˈsum/consommer
consumption nom/kənˈsʌmp.ʃən/consommation
tumor nom/tuː.məɹ/tumeur
syrup nom/ˈsɪɹ.əp/sirop
corn nom/ˈkɔːn/maïs
insulin nom/ˈɪnsəlɪn/insuline
reward nom/ɹɪˈwɔɹd/récompense, salaire
toxic adjectif/ˈtɒk.sɪk/toxique
eliminate verbe/ɪˈlɪm.ɪ.neɪt/éliminer
receptor nom/ɹɪˈsɛp.tə/récepteur
addictive adjectif/əˈdɪktɪv/addictif, qui rend accro
scanner nom/ˈskænə/scanneur, scanner
muscle nom/ˈmʌs.əl/muscle

Les verbes à particule que vous entendrez

MotPrononciationSens
turn out verbese finir, se terminer
build up verbes'accumuler, s'entasser
cut off verbe/ˌkʌt ˈɔf/ [ˌkɐɾ ˈɔf]tailler, couper
go down verbedescendre
go through verbetraverser
make up verbe/ˌmeɪk ˈʌp/constituer, composer

Des phrases à répéter

Des phrases courtes et complètes de la vidéo, à réutiliser dans la conversation de tous les jours :

  • They're never out of our sight.
  • Did it surprise you when you first got these results back?
  • All right, let's give it a shot.
  • I don't think gets us there.
  • What do you say about that?

La grammaire de cette vidéo

Les structures que le locuteur utilise le plus, avec les mots exacts de la vidéo :

StructureDans la vidéo
Present perfect have/has + participe passé — une action passée qui compte encore maintenanthas sprung · has plunged · has concluded
Voix passive be + participe passé — l’accent est mis sur ce qui arrive, pas sur qui le faitare linked · is often hidden · were born
Propositions relatives who / which + proposition — une précision sur une personne ou une choserealize, which is · blue, which is · people who frequently

Prononciation à surveiller

Le locuteur utilise 19 contractions et formes réduites, comme they're, don't, I'm. Prononcez-les sous leur forme courte, telles que vous les entendez.

  • Les sons « sh » et « zh »: consumption /kənˈsʌmp.ʃən/, rush /ɹʌʃ/, essentially /ɪˈsɛnʃəli/, conclusion /kənˈkluːʒən/, reduction /ɹɪˈdʌk.ʃən/
  • Mots longs — placez bien l’accent: eliminate /ɪˈlɪm.ɪ.neɪt/, cholesterol /kəˈlɛstəɹɒl/, primarily /ˈpɹaɪ.mə.ɹə.li/, essentially /ɪˈsɛnʃəli/, controversial /ˌkɑn.tɹəˈvɝ.ʃəl/

Les sons difficiles pour les francophones :

  • /h/ — il se souffle, il n’est pas muet: honey /ˈhʌni/, hormone /ˈhoɹmoʊn/, hijack /ˈhaɪ.d͡ʒæk/, hypertension /ˌhaɪ.pɚˈtɛn.ʃən/
  • /tʃ/ et /dʒ/ — à ne pas adoucir en « ch » et « j »: functional /ˈfʌŋkt͡ʃənəl/, generate /ˈd͡ʒɛn.ə.ɹeɪt/, lecture /ˈlɛk.t͡ʃə/, lodge /lɑd͡ʒ/, emerge /ɪˈmɝd͡ʒ/
  • /r/ anglais — langue recourbée, sans frotter la gorge: calorie /ˈkæləɹi/, tumor /tuː.məɹ/, syrup /ˈsɪɹ.əp/, reward /ɹɪˈwɔɹd/, receptor /ɹɪˈsɛp.tə/

Comment s’entraîner avec cette vidéo

  1. Écoutez la vidéo en entier une fois sans parler et notez les mots que vous ne connaissez pas.
  2. Commencez à la vitesse 0,75×, répétez phrase par phrase, puis revenez à la vitesse normale quand cela devient facile.
  3. Enregistrez-vous et comparez avec l’original, en faisant attention à des mots comme calorie, glucose, consume.

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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