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THE grim reality of just how bad Coke is for you has been laid bare in a new video.

It shows exactly how much sugar is left behind once the water is boiled off.

 An experiment has laid bare the reality of just how bad Coke is for you, revealing how much sugar is left behind when you boil off the water - compared to Coke Zero
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An experiment has laid bare the reality of just how bad Coke is for you, revealing how much sugar is left behind when you boil off the water - compared to Coke ZeroCredit: YouTube/maricv84
 In a video uploaded by Home Science, a 375ml bottle of Coca Cola is boiled in a frying pan
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In a video uploaded by Home Science, a 375ml bottle of Coca Cola is boiled in a frying panCredit: YouTube/maricv84
 What's left behind is a thick, black slick of pure sugar
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What's left behind is a thick, black slick of pure sugarCredit: YouTube/maricv84

The experiment, shared on , pits Coca Cola and Coke Zero against each other.

Pouring a 375ml bottle of each in to a frying pan, they are placed over the heat.

Once they reach boiling point, the water slowly begins to evaporate.

And as it does a disturbing reality is hard to ignore.

The frying pan full once full of regular Coke is left covered in a thick, black slime - a mass of sugar.

In contrast, the remnants of the Coke Zero show a small trace of burnt sugar covering barely a quarter of the frying pan.

A can of Coca Cola contains 35g of sugar - exceeding the 30g recommended daily allowance for adults.

And it far exceeds the 19g NHS chiefs recommend as a maximum for kids aged four to six.

Eating too much sugar drastically increases a person's risk of obesity, heart disease and type 2 diabetes - all killer diseases.

Sugar is found naturally in foods, but the sugar in fizzy drinks is known as added sugars.

The NHS recommends that added sugars don't make up more than five per cent of an adults total calorie intake for the day.

That's where the 30g figure comes from, and applies to everyone over the age of 11.

In a bid to tackle obesity, the Government today confirmed a new sugar tax will come into effect next April.

Health experts welcomed the “bold” move, with the Royal College of Paediatrics and Child Health, adding it “is a real victory for child health”.

 Meanwhile a bottle of Coke Zero is boiled off, in the same way
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Meanwhile a bottle of Coke Zero is boiled off, in the same wayCredit: YouTube/maricv84
 But rather than the thick sugary mess, all that's left behind is a small smear of burnt sugar
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But rather than the thick sugary mess, all that's left behind is a small smear of burnt sugarCredit: YouTube/maricv84

Dr Mark Porter, chair of the BMA, said: “This is a welcome and crucial move.

But he said, alone a sugar tax is not enough.

He called for restrictions on junk food marketing that targets kids and action on price promotions.

The sugar tax will apply to drinks with more than five grams of sugar per 100ml will be levied by 18p per litre, while those with eight grams or more of sugar per 100ml will have an extra tax of 24p per litre.

Drinks with 5 grams of sugar will be exempt.

Previous estimates said that the new tax could whack up the cost of a 2 litre bottle of Coca-Cola (10.6g per 100ml) by as much as 48p if the plans go ahead as announced and the drinks giant doesn’t alter its recipe.

A standard can of regular Coke, currently costing around 70p, will be slapped with a 8p increase while the same amount of Sprite (6.6g per 100ml) would go up by 6p.

 A can of regular Coke contains 35g of sugar - exceeding the recommended amount of sugar an adult should have in a day
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A can of regular Coke contains 35g of sugar - exceeding the recommended amount of sugar an adult should have in a dayCredit: Getty Images

But while sugar-free alternatives may seem like the healthier option, a growing body of scientific research has shown diet drinks don't help fight the flab.

One study, published earlier this year, found diet drinks do not cut the risk of developing obesity-related conditions like type 2 diabetes.

Experts warn they could cause weight gain, by stimulating a person's sweet tooth and encouraging them to gorge on more.

Another theory is that sweeteners alter the bugs in your gut, making it harder for the body to use sugar effectively.

Researchers, Professor Christopher Millet, from Imperial College London's School of Public Health, said: "A common perception, which may be influenced by industry marketing, is that because 'diet' drinks have no sugar, they must be healthier and aid weight loss when used as a substitute for full sugar versions.

"However, we found no solid evidence to support this."