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  1. #1
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    Default Dangers of fructose

    Dangers of fructose

    Scientists have used imaging tests to show for the first time that fructose, a sugar that saturates diets, can trigger brain changes that may lead to overeating.

    After drinking a fructose beverage, the brain doesn't register the feeling of being full as it does when simple glucose is consumed, researchers found.

    It's a small study and does not prove that fructose or its relative, high-fructose corn syrup, can cause obesity, but experts say it adds to evidence that they may play a role.

    The sugars often are added to processed foods and beverages and consumption has risen dramatically since the 1970s along with obesity.

    Advertisement A third of children and teens in the United States and more than two-thirds of adults are obese or overweight. In Australia in 2011-12, 63 per cent of adults were overweight or obese, as were a quarter of children aged five to 17, the Australian Bureau of Statistics reported.

    All sugars are not equal – even though they contain the same amount of kilojoules – because they are metabolised differently in the body.

    Table sugar is sucrose, which is half fructose, half glucose, while high-fructose corn syrup is 55 per cent fructose and 45 per cent glucose. Some nutrition experts say this sweetener may pose special risks, but others and the industry reject that claim.

    Doctors say we eat too much sugar in all forms.

    For the study, scientists used magnetic resonance imaging, or MRI, scans to track blood flow in the brain in 20 young, normal-weight people before and after they had drinks containing glucose or fructose in two sessions several weeks apart.

    Scans showed that drinking glucose "turns off or suppresses the activity of areas of the brain that are critical for reward and desire for food", said one study leader, the Yale University endocrinologist Professor Robert Sherwin.

    With fructose, "we don't see those changes", he said.

    "As a result, the desire to eat continues – it isn't turned off."

    What's convincing, said Jonathan Purnell, an endocrinologist at Oregon Health and Science University, is that the imaging results mirrored how hungry the people said they felt, as well as what earlier studies found in animals.

    "It implies that fructose, at least with regards to promoting food intake and weight gain, is a bad actor compared to glucose," Dr Purnell said.

    He wrote a commentary that appears with the federally funded study in Wednesday's Journal of the American Medical Asso-ciation.

    Researchers are now testing obese people to determine if they react the same way to fructose and glucose as the normal-weight people in the study

    http://www.theage.com.au/lifestyle/d...#ixzz2GmhSrAda

  2. #2
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    Fed Up warns sugar and not fat is causing obesity

    May 2014

    Fed Up, a film released in the US this week, predicts 95 per cent of Americans will be overweight or obese in the next two decades, unless something is done to tackle the so-called hidden sugars which appear in everyday foods.

    Producer Laurie Davies - who was also behind the 2006 film Inconvenient Truth which studied the myths surrounding global warming - warns in the film that one third of adults will also have diabetes by 2050, as our brains become increasingly dependent on sugar.

    In the film, one of the interviewees Dr Mark Hyman, chairman for the Institute for Functional Medicine, says sugar is a 'fundamental problem' which no one is talking about.

    Dr David Kessler, a former Food and Drug Administration commissioner, goes one step further, predicting that the obesity crisis fuelled by sugar will end up as 'one of the greatest public health epidemics of our time'.

    The expert comments come after researchers behind the film found that, of the 600,000 food items in the US, a staggering 80 per cent have added sugar.

    The film claims fast-food chains and the makers of processed foods add more sugar to 'low fat' foods to make them more palatable.

    But the truth about how damaging this can be for a person's health has remained hidden behind supposedly-healthy food labels - because manufacturers need to rely on sugar to make their food, the film claims.

    According to Gary Taubes, an author interviewed for the film, blaming willpower for obesity - as has been the way for several years - is a 'crime'.

    Instead, the film claims that obesity could be started by the human brain's reaction to sugar.

    The human brain 'lights up to sugar just as it does with cocaine and heroin', according to one expert.It means people who are unwittingly eating sugar will become addicted to the ingredient.

    DOES SUGAR CAUSE OBESITY?

    Fructose is found in fruit, sucrose (table sugar) and in high fructose corn syrup. It is a simple sugar and is sweeter than glucose.

    Sucrose (the sugar that we commonly add to food) is made up of 50 per cent glucose and 50 per cent fructose.

    High fructose corn syrup (containing more fructose than glucose) commonly replaces sucrose in the US food industry because it is both sweeter and cheaper. In the UK, it can also be labelled as ‘glucose-fructose syrup’ or ‘HFCS’.

    Because it causes a lower blood sugar spike than sucrose or glucose, and therefore has a low glycaemic index, manufacturers are allowed to claim that fructose is ‘healthier’ than the other two.

    But some scientists claim the problem with fructose is twofold.

    Firstly, there is no hormone to remove fructose from our bloodstream (unlike glucose, which stimulates insulin production).

    It is therefore left to the liver to remove it.

    When the liver is overwhelmed it converts fructose to liver fat, which ups our chances of developing insulin resistance (a precursor to diabetes), hardened arteries and heart disease.

    Secondly, fructose suppresses the hormone leptin, which tells you when you’re full. In other words, your brain lets you consume it without limit.

    A US study last year carried out by the University of California found that for every 150 calories of extra sugar people had each day, the prevalence of diabetes in the country rose by 1 per cent in the population.
    Michael Pollen, writer of the book The Omnivore's Dilemma, also tells the film that, by not implementing laws to stop so much sugar being used, the government is 'subsiding the obesity epidemic'.

    According to the film, the problem means early-onset diabetes - a condition associated with exposure to cane sugar and corn syrup - will be a medical condition in one in three Americans by 2050, if current rates continue.

    In two decades, 95 per cent of Americans will also be overweight or obese, according to the film.

    The idea that sugar, rather than fat, causes both obesity and diabetes has been gaining support among diet and health experts for the past few years.

    In January, an alliance of doctors and academics described sugar as 'the new tobacco', blaming it for a range of health problems and early death.

    Mark Bittman, a columnist for the New York Times, supports this point, telling the film how junk food companies are acting like 'tobacco companies were 30 years ago'.

    The claims about sugar come after some scientists say illnesses that typically show up in the obese are also apparent in those who have average weight. Scientists claim this must be due to exposure to sugar. But efforts to curb the sugar industry have largely failed.

    In the US, the Bush administration threatened to withhold funding to the World Health Organisation in 2003, if it published nutritional guidelines which suggested no more than 10 per cent of calories per day should come from sugar.

    Campaigners are now calling for health warnings on some foods, as well as equal advertising time to marketing fresh fruit and vegetables. They also want voluntary agreements to reduce sugar content.

    The problem is particularly apparent in low-fat versions of foods such as yoghurts, fizzy drinks and spreads, in which natural sugars are swapped for sugar substitutes.

    But many other leading scientists say there is not yet enough evidence to prove sugar has the harmful effect some campaigners are claiming. Sugar Nutrition UK said the World Health Organisation published a review last year that found that any link between diabetes and body weight was due to over-consumption of calories and was not specific to sugar.

    Barbara Gallani, of the Food and Drink Federation, an industry group, also denied sugar was responsible for obesity. She said the industry already provided clear information on sugar levels to consumers, using figures and colour-coded labels. In Briton, the typical person consumes 12 teaspoons of sugar a day and some adults consume as many as 46.

    The film, produced by Laurie David, former wife of Seinfeld creator Larry David, is narrated by TV journalist Katie Couric. It was released this week in America.


    http://www.dailymail.co.uk/news/arti...-new-film.html


    Comments:

    The World Health Organization and UN and any other World NGO based group is a joke. They are all are lackeys of the West who do as they are told if they want any money. Sterilization, test drugs leaving half the kids autistic or damaged in some way and what other agenda backed things are there in vaccines. Not intervening or helping people in other nations facing oppression and massacres going on unless it’s of national interest. It’s all a farce!

  3. #3
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    The Shocking Truth About Agave Nectar

    The table sugar substitute may not be the healthy sweetener you thought it was.

    By Marygrace Taylor - November 11, 2015

    When it comes to foods with a glowing health halo, agave nectar is right up there with quinoa and kale. After all, it’s natural and not insanely processed. Plus, it’s always showing up in raw and vegan desserts—so it’s got to be healthy, right?

    Well…no. As far as your body is concerned, it’s basically a potent liquid form of table sugar. Before going any further, let’s review some Food Science 101. Both agave nectar and refined white sugar are high in fructose, a type of simple sugar found in fruit that can only be processed by your liver. And many agave nectars consist of 70 to 90 percent fructose—that’s more than what’s found in high-fructose corn syrup! (A quick note about fruit: Yes, it contains the same fructose as agave and table sugar but in tiny quantities and with plenty of fiber to keep any negative effects at bay.)

    Agave doesn’t cause a big blood sugar spike like table sugar does, but when you take in tons of fructose at once, say, by devouring half a batch of cookies, your liver has nothing to do with the excess that your body doesn’t need for energy. So it gets turned into fat. That could have something to do with why studies link high fructose consumption to high blood pressure, high cholesterol, insulin resistance, and obesity.

    Your liver is basically repackaging agave as blood fats
    called triglycerides, which increase your risk for heart disease. These high fructose levels can also contribute to insulin resistance, a risk factor for diabetes, as well as nonalcoholic fatty liver disease. Complicating matters, studies—including one published in 2010 in the journal Cancer Research—are finding that fructose actually feeds some cancers.

    When University of California San Francisco researchers replaced the fructose in subjects’ diets with an equal amount of fructose-free carbs (think, swapping candy for pasta), subjects struggled to maintain their weight even though they were eating the same number of calories. And though the subjects all started out with symptoms of metabolic syndrome (a cluster of conditions including increased blood pressure, high blood sugar and cholesterol levels, and extra body fat), those problems had all but vanished by the end of the study nine days later. Which, if you’ve been happily chowing down on agave-sweetened raw chocolates or nondairy ice cream, is pretty bitter news.

    “There is little to make agave nectar significantly more or less healthy than table sugar, honey, or maple syrup,” explains Kantha Shelke, a spokesperson for the Institute of Food Technologists and founder of the food science and research firm Corvus Blue. In other words, all types of sugar are, well, sugar. And they’re all bad for you.

    So what’s a health-minded eater to do? Instead of glorifying (or demonizing) one type of sugar over another, you’re better off sticking with whatever natural sweetener you like best and using it in moderation. (One teaspoon of agave nectar in the occasional dessert recipe is fine.) Your health—and your waistline—will thank you.

    http://www.rodalesorganiclife.com/we...t-agave-nectar

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    The Proof That TV Adverts For Sugary Cereals ARE Fueling Child Obesity

    Children who watch 20 commercials a week consume 30 PER CENT MORE

    By Stephen Adams - 23 October 2016

    Children who watch just 20 television adverts a week for sugary breakfast cereals eat a staggering 30 per cent more of them than children who see none, shocking new research has revealed.

    Parents and health experts have long been concerned about the impact of repeated adverts for cereal and other high-sugar foods on youngsters' eating habits.

    Now research has uncovered the startling scale of the relationship between the number of ads seen by youngsters and the amount of the breakfast products they consumed as a result.

    Scientists found that for every ten cereal commercials a child under the age of five watched weekly, their consumption of the products jumped by almost 15 per cent.

    And young children viewing 20 cereal adverts per week would consume nearly 30 per cent more of these cereals than those who didn't watch the commercials.

    Health campaigners said the research proved beyond doubt that adverts for sugary breakfast cereals were helping to fuel Britain's child obesity crisis.

    It will also fuel criticism of the Government's recent decision not to extend the 'sugar tax' on fizzy drinks to cover other products. Tam Fry, of the National Obesity Forum, said last night: 'We need a sugar tax on cereals and a blanket ban on advertising these products to children.'

    Professor Graham MacGregor, chairman of the pressure group Action on Sugar, said: 'There's no doubt that sugary cereals are one of the reasons so many children are becoming obese, with some now developing type two diabetes in adolescence.'

    And TV chef Jamie Oliver, who lobbied strongly for the sugar tax and is now backing the Sugar Smart campaign aimed at reducing sugar consumption across all ages, said: 'We're facing a growing crisis where one in four children are leaving school either overweight or obese, seriously increasing their chances of developing diet-related diseases earlier in adult life.'

    One in five children entering primary school is now overweight or obese, according to official Government figures.

    The average child under ten now consumes 14 teaspoons' worth of sugar daily
    , according to Public Health England. That's more than twice the six teaspoons that an adult should limit themselves to daily, under recommendations from the World Health Organisation.

    Some cereals are more than a third sugar - meaning a 30g bowl can contain about three teaspoons' worth.

    Among the worst offenders are Kellogg's Frosties (37 per cent sugar) and Coco Pops (35 per cent). Experts say the latest study proves TV advertising has a powerful effect on children's eating habits. It was carried out by researchers from the Geisel School of Medicine at Dartmouth University in the US, who found more than 40 per cent of children were exposed to television adverts for high sugar breakfast cereals on a regular basis.

    Writing in the journal Appetite, the researchers concluded: 'These findings support recommendations to limit the marketing of high-sugar foods to young children. Ample evidence suggests cereals most heavily advertised to children are the least nutritious and contain the greatest amounts of added sugars.'

    In August, the Government unveiled its long-awaiting childhood obesity strategy. Although it included a 'sugar tax' on the soft-drinks industry, it was not extended to other products.

    In the UK, food manufacturers are banned from showing adverts for unhealthy foods during children's television programs.

    But many children still see commercials for sugary foods at other times. A spokesman for the Food and Drink Federation said the sugar tax would make 'no significant difference' to the obesity crisis.

    He said: 'Since 2009, the advertising of all products high in fat, salt or sugar has been banned from children's programs and the Federation and its members support the extension of that ban to non-broadcast media, including online.

    'The causes of the obesity challenge we face in this country are far more complicated than any single ingredient, food or drink.'

    http://www.dailymail.co.uk/news/arti...CENT-MORE.html


 

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