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DaVinci Coders
May 19th, 2009 at 9:37 am

Drinking Too Much Cola Can Lead To Health Problems

Drinking Too Much Cola Can Lead To Health Problems

Drinking too much cola can cause week bones and paralysis 

Drinking large quantities of cola could lead to muscle problems, an irregular heartbeat and bone weakness, according to experts.

The number of cola-lovers suffering health issues is on the rise as the food industry pushes towards an ‘increase in portion sizes’, they added.

As well as tooth decay, diabetes and ‘softening’ of the bones, doctors have seen patients suffering from hypokalaemia – where potassium levels in the blood drop too low.

This can increase the risk of muscle problems and heart rhythm abnormalities, which could prove fatal in some cases.

‘We are consuming more soft drinks than ever before and a number of health issues have already been identified including tooth problems, bone demineralisation and the development of metabolic syndrome and diabetes,’ said Dr Moses Elisaf, from the University of Ioannina in Greece, who led an academic review of the issue.

‘Evidence is increasing to suggest that excessive cola consumption can also lead to hypokalaemia, in which the blood potassium levels fall, causing an adverse effect on vital muscle functions.’

His study, published in the International Journal of Clinical Practice, detailed cases where patients drank two or more litres of cola a day.

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In one case, a 21-year-old pregnant woman was admitted to the hospital suffering tiredness, loss of appetite and repeated vomiting.

The patient had consumed more than three litres of cola per day for the previous six years and was found to be suffering from severe hypokalaemia and a heart blockage.

Once she was taken off cola and given potassium replacement substances, she made a full recovery.

Another pregnant woman found to be drinking six or seven litres of cola a day suffered similar problems but also made a recovery when she dropped her intake.

Other case studies of people drinking between two and nine litres of cola a day found they suffered muscle problems ranging from ‘mild weakness to profound paralysis’.

The authors said their findings were relevant because we now live in an era when the food industry sells drinks in large sizes.

‘In an era where the food industry presses towards an increase in portion sizes of these preparations, (these) observations may have important public health implications,’ they wrote.

One theory is that the sugar content of cola could lead the kidneys to excrete too much potassium, while another is that the caffeine content of cola leads to a redistribution of potassium in the body’s cells or increased excretion from the body.

The most common ingredients in cola drinks are glucose, fructose and caffeine, Dr Elisaf said.

‘The individual role of each of these ingredients in the pathophysiology of cola-induced hypokalaemia has not been determined and may vary in different patients,’ he added.

‘However, in most of the cases we looked at for our review, caffeine intoxication was thought to play the most important role.

‘This has been borne out by case studies that focus on other products that contain high levels of caffeine but no glucose or fructose.

‘Despite this, caffeine-free cola products can also cause hypokalaemia because the fructose they contain can cause diarrhoea.’

In a commentary on the paper, Dr Clifford Packer from the Louis Stokes Cleveland VA Medical Centre in Ohio, said he had seen a patient made ill by four litres of cola a day. He made a recovery after agreeing to drop to drinking two litres a day.

Dr Packer said: ‘In 2007, worldwide consumption of soft drinks reached 552 billion litres or 82.5 litres per person.

‘This is projected to rise to 95 litres per person by 2012.

‘Sugar-sweetened soft drinks have been shown to cause obesity, Type 2 diabetes, dental decay and metabolic syndrome.’

He said the drinks also appear to increase the risk of other conditions including osteoporosis, gout, gastroesophageal reflux disease and chronic kidney disease.

Dr Elisaf said: ‘Although most patients recover when they stop drinking cola and take potassium supplements, cola-induced chronic hypokalaemia can make them more susceptible to potentially fatal complications, such as an irregular heartbeat.

‘In addition, excessive consumption of any kind of cola can lead to a range of health problems including fatigue, loss of productivity and muscular symptoms that vary from mild weakness to profound paralysis.

‘We believe that further studies are needed to establish how much is too much when it comes to the daily consumption of cola drinks.’

A spokeswoman for the British Soft Drinks Association said: ‘The examples used in this paper by the International Journal of Clinical Practice are all very extreme cases – moderate consumption of cola drinks is completely safe and people can continue to enjoy such drinks as part of a balanced diet and active lifestyle.

‘The soft drinks industry is committed to encouraging responsible consumption of all its products.

‘Nutrition labelling is included on packs so people can make an informed choice about the products they are drinking.

‘(A total of) 61 per cent of soft drinks are now low calorie, diet and no added sugar drinks and the industry provides a wide range of drinks and pack sizes to meet every occasion, taste and need.’

 

Via Daily Mail

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