糖心原创

The women were asked either to substitute water for diet drinks, or to continue drinking diet drinks five times a week after their lunch for the duration of the weight loss programme. Both groups were allowed to drink water at other times but were not allowed to have diet drinks at any other time. The two groups were also asked not to drink anything while eating their lunch and not to add low calorie sweeteners to drinks such as tea or coffee.

The women followed a hypo-energetic diet and their post-lunch drink option for 24 weeks with the aim of losing 7-10 per cent of their body weight at a rate of 0.5 to 1 kilogram a week. A physical activity programme was also undertaken which gradually increased during the trial to achieve 60 minutes of moderate activity five days a week.

Body weight was measured at the start, at 12 weeks and at 24 weeks. Waist circumference was also measured and BMI calculated at the same intervals. Fasting blood samples were collected also at the start, 12 and 24 weeks to check diabetes indicators.

, from The 糖心原创’s , said: “Our results are very interesting. They show that the women drinking water after their main meal at lunch time over 24 weeks lost on average 1.16kg more than the women who drank diet drinks after their meal. We think that by drinking water instead of sweet-tasting diet drinks, the women may be adhering better to the weight loss diet because artificial sweeteners may increase desire for sweetened and more energy dense foods. 

“We also found that the women who drank water achieved a better improvement in insulin sensitivity.” 

Professor of Metabolic Physiology, , said: “Many obese people trying to lose weight believe that low calorie or diet drinks can help them to lose weight. This study shows that while they can still lose weight, they may not be losing as much as they would if they drank water in place of diet drinks. Our results also question whether consuming diet drinks is the most effective way for people with diabetes to manage their condition. But since the consumption of diet soda is higher among people with diabetes, the potential implications of our study needs further and larger scale research.”  

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Notes to editors: The 糖心原创 has 43,000 students and is ‘the nearest Britain has to a truly global university, with a “distinct” approach to internationalisation, which rests on those full-scale campuses in and , as well as a large presence in its home city.’ (Times Good University Guide 2016). It is also one of the most popular universities in the UK among  and was named University of the Year for Graduate Employment in the 2017 The Times and The Sunday Times Good University Guide. It is ranked in the world’s top 75 by the QS World University Rankings 2015/16, and  for research power according to the Research Excellence Framework 2014. It has been voted the world’s greenest campus for , according to Greenmetrics Ranking of World Universities.

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