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Diet drinks DON’T help you lose weight: Study finds they contain a chemical that BOOSTS appetite

Diet drinks do not help people lose weight, a study has found, because they eat more to compensate.

Calorie-free drinks like Diet Coke and Sprite Zero increase someone’s hunger and desire to eat, according to scientists.

Volunteers given artificial sweeteners found in these drinks should have lost weight by avoiding the sugar packed into normal fizzy drinks.

But they simply made up the difference in calories at lunch, ensuring they stayed the same size.

The findings, published in the International Journal of Obesity, were described as ‘surprising’ by the lead author, who gave people three different kinds of sweeteners, or sugar, before recording their food intake for the rest of the day.

Dr Siew Ling Tey, of the Agency for Science, Technology and Research in Singapore, said: ‘The energy “saved” from replacing sugar with non-nutritive sweetener was fully compensated for at subsequent meals in the current study, hence no difference in total daily energy intake was found between the four treatments.’

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