This article may help provide an extra incentive to help those in the UK to give up fizzy drinks:
Daily Telegraph 10.3.12
Coca-Cola & Pepsi are changing their formulas in US to avoid having to display a warning that they contain cancer-causing chemicals. California state now requires that the packaging of food & drink containing the additive 4-Methylimidazole (4-MI) should be clearly labelled with a cancer warning. The formula will be altered for the whole of US not just California. The additive will not be left out of the formula for the UK as it is not illegal in Europe.