The embattled soft drinks industry has been under fire to reduce the amount of sugar in fizzy drinks and they are trying. Coca-Cola is bringing out drinks with less sugar (see video below). However, another health danger has been highlighted by Korean researchers. A new study has found a common coating used in soft drink cans could cause high blood pressure and put heart patients at risk.
The chemical Bisphenol A – known as BPA – is widely used as a lining for cans and plastic bottles, but previous studies found it can leach into food and drink.
Korean researchers found drinking from cans increased the concentration of BPA in urine by 1,600 per cent when compared to glass bottles.
Drinking two cans a day increased blood pressure by 5 mmg Hg, a rise which would cause ‘significant problems’ for patients with high blood pressure or heart disease, doctors warned.
Such patients would also need to seek medical if such a rise was seen, they added.
The new study, carried out by the Korean researchers, found ingesting BPA was associated with high blood pressure and changes in heart rate.
Dr Yun-Chul Hong, of the Seoul National University College of Medicine, said: ‘A 5 mm Hg increase in systolic blood pressure by drinking two canned beverages may cause clinically significant problems, particularly in patients with heart disease or hypertension.
The chemical has already been banned in baby bottles in Europe because of safety fears.
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