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Doctor Says Sugar Is ‘The New Tobacco’

Caffeine and sugar are two well-known ingredients in Coca-Cola — but many soda drinkers may not realize the fizzy beverage also contains salt.

But why add salt into a sugary drink? To make consumers thirsty and ready to buy more, says Dr. Robert Lustig, professor of pediatric endocrinology at the University of California, San Francisco.

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“They know what they’re doing. Do you have to put salt in Coke?” he says. “The fact is, you don’t have to put salt in soda. So this is by design.”

This is part of what Lustig calls “the Coca-Cola conspiracy” and it’s contributing a dangerous sugar problem in the U.S.

Nutrition experts are increasingly sounding the alarm on sugar, with some comparing its adverse health effects to smoking.

Sugar consumption can trigger a number of chronic diseases including Type 2 diabetes, heart disease and cancer — even leading some teenage soda-drinkers to need liver transplants, Lustig says. People get addicted to sugar the same way they do drugs, alcohol, gambling and social media, he says.

This problem isn’t an easy one to fix because food companies, like Coca-Cola, are profiting off Americans’ sugar addictions, he says.

“The only way we are going to fix this problem is when there are more votes than dollars,” he says.

On why sugar is dangerous

“People think that sugar is just empty calories and they think, ‘Well, you get some discretionary calories during the day. So why can’t they be sugar?’ Well, if sugar were just calories, then they’d be right. Except they’re wrong because different calories in foods are burned and absorbed, digested, metabolized in different ways and do different things and contribute to different diseases.

“Why are sugar calories so different? Well, they’re different for three reasons. The first is when sugar is absorbed, it goes to the liver. And the liver gets overwhelmed because it has a limited capacity to metabolize it — just like it has a limited capacity to metabolize alcohol, just like it has a limited capacity to metabolize many of the toxins that we take in because your liver is the detoxification center of your body. It has a limited capacity for being able to deal with sugar. When you overwhelm it, the liver has no choice but to take the excess and turn it into liver fat.

“And that liver fat is the driver of virtually every chronic disease that we are now currently suffering from that’s gone up in time. So Type 2 diabetes, lipid problems, hypertension, cardiovascular disease, cancer, dementia, nonalcoholic fatty liver disease, polycystic ovarian disease — all being driven by liver fat. And the liver fat is because of the sugar. And so you can basically have alcoholic fatty liver disease if you’re over 21 or you can have nonalcoholic fatty liver disease and it doesn’t make a difference because they are identical. And so we have done several liver transplants in soda drinkers, you know, teenage soda drinkers.”

On host Robin Young’s love of soda

“It’s not a habit. It’s an addiction. And anybody who says, ‘Oh, you know, I have this horrible sweet tooth.’ That’s sugar addiction. So sugar is addictive in the same way as alcohol, in the same way as nicotine, cocaine, amphetamine, heroin, shopping, gambling, social media, internet pornography. All of these stimulate the same area of the brain called the reward center, the nucleus accumbens. Anything that causes the release of dopamine is, in the extreme, addictive.”

On why fructose — one of the molecules in sugar — is so harmful

“First of all, sugar is two molecules bound together — glucose and fructose. Now, glucose is not all that bad. It’s not great, but it’s not that bad. However, fructose, because it is metabolized into that liver fat in the liver, that’s where the problem comes in. In addition, fructose starts the aging reaction. It causes what we call caramelization. It’s the reason for wrinkles. It’s the reason for cataracts. This aging reaction, this browning reaction, fructose does it seven times faster than glucose. And now, we have learned through work done at Joslin Diabetes Center that fructose specifically inhibits a mitochondrial enzyme that causes those mitochondria to burn less well, which probably is one of the reasons for the persistent weight gain and also chronic disease. And the glucose doesn’t do that. So there are some very specific differences between these two molecules.

“However, when you consume any form of sugar, whether it’s sucrose, which is table sugar, cane sugar, beet sugar, the stuff you put in your coffee or high fructose corn syrup or honey or maple syrup or agave — doesn’t matter, you’re getting one of each molecule. And so sugar is a problem because of the fructose molecule.”

On how to solve the sugar problem

“I will be very honest with you. We will not solve this problem until the food industry solves it for us. And they have no interest in doing so because this is their gravy train. This is their juggernaut. This is how they went from 1% gross profit margin to 5% gross profit margin in the span of three decades. This is their livelihood and they are not going to do anything they don’t have to do. And unfortunately, the government’s in bed with them because they’re making $56 billion a year off export tariffs off our food.

“And right now, we’re just beginning to get some traction in the general public for this issue of food. Having said that, people need to understand what the problem is. They have to understand the difference between processed food and real food. And the difference is processed food is high sugar, low fiber. High sugar for palatability, low fiber for shelf life. Real food is low sugar, high fiber. Real food works. Processed food doesn’t. Processed food kills because of these issues. And we could — repeat, could — fix this tomorrow if we wanted to. The problem is because sugar is addictive. People don’t want to.”

On working with children with sugar-related health problems

“[It’s] impossible. It breaks your heart. The fact the matter is these kids are victims and we know who the perpetrators are. And the fact is the parents don’t understand. And so it propagates itself. The fact is, what mothers eat during pregnancy ultimately impact on the number of fat cells children are born with. And those fat cells want to get filled. So these kids didn’t have a chance even before they were born. Never mind afterward. I mean, how do you blame a 6-month-old for obesity? In fact, the matter is we have a problem and we have to address it.”

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  1. I get the greed behind the lack of desire to make a change that would benefit consumers. I can’t but think that, like many other companies that have knowingly allowed people to consume a dangerous (possible disease causing product) have been sued.
    Perhaps it might help them change and find a safe alternative or way to separate the dangerous ingredient.

  2. Thank you for the info I have never seen this be for.

  3. Even before the present presidential campaigns began I answered surveys and replied to email messages about this subject. I also included comments about chemicals in processed foods and included another concern I have which is the national debt. So far no one has responded to any of my messages or have any of the candidates. Rep and Dem. mentioned any of these subjects in their presentations. I have also sent messages to FDA, FTC and the Dept of Agriculture, all with no response. Other than not buying the products what can we, the consumers, do to make changes?

  4. For all that’s said here, I’ll go back to the One who really knows the truth about sugar. God saw and it was good. Everything God has made is good. That includes sugar cane, beets, etc. What these alarmists do is basically lie about what God has made. Didn’t they also condemn milk at one time? Then say it was good? Then say it was bad? Then…? Granted there are those sweeteners, hfcs, dextrose, sucrose, etc., that are an altered product of men and fed to the unknowing because companies want to save money and be cheap about what they feed the populace. But foolish statements with words like “overwhelmed” to bolster an argument is a showing of arrogance to think that the men of science know God’s creation better than He does. Too much of anything can “overwhelm” the body. Didn’t even our great grandparents know that about “overwhelming”??? And the fact that altered sugars are included by the know-it-all’s, and the government, in the same category as those that God has given is misleading and makes the “scientists” come to the wrong conclusion. But that happens when they do not consider the Maker of the product. I myself am sick and tired of “experts” who deny God’s authority talking about sugar. And these same experts lumping all sweeteners together as if they’re all the same. Besides the “experts” have created more chaos and health risks than anyone else in society. Like “global warming” they’re the biggest cause but they’ll fix it for us.

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