Evidence
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Low FODMAP diet may improve irritable bowel symptoms more than other diets

Adults with irritable bowel syndrome (IBS) who followed a low FODMAP diet had fewer symptoms than those who followed standard dietary advice. They scored their symptoms about 50 points better on a 500 point scale. The low FODMAP diet is an emerging approach for IBS. It is based on the theory that certain carbohydrates can ...

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Being overweight or obese is linked with heart disease even without other metabolic risk factors

People with certain metabolic risk factors who are obese are two and a half times as likely to develop heart disease as healthy people of normal weight. But those who are obese without these other risk factors still have a 28% increased risk of heart disease compared with healthy people of normal weight. This suggests ...

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Intensive lifestyle interventions can help obese young people lose weight

Obese children and adolescents can lose up to seven pounds over six to 12 months when they engage in at least 52 hours of behaviour-based lifestyle interventions. Minimal benefit was seen with shorter contact time, with less than 25 hours ineffective. The control group gained weight. Rising obesity in the young is a global concern, ...

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52-week programme leads to more weight loss than 12-week

Obese people referred to a 52-week group weight management programme lost about 2kg more weight on average by one and two years compared to those referred for the standard 12 weeks. These modest health gains were also more likely to be sustained over time in the long programme. A brief intervention led to 3kg weight ...

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Resistance training may prevent obese older people becoming frail when losing weight

Combining resistance training with aerobic exercise increased physical function in older, obese adults who were following a weight loss programme. Functional improvements, such as the speed to stand from a chair or to climb stairs, were greater with combination training (21%) than with either type of exercise performed alone (14%). This randomised controlled trial assigned ...

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A supported web-based programme helps people lose weight in the short term

A web-based programme (POWeR) with nurse support helped about 30% of people lose at least 5% of their body weight, maintained for at least 12 months. By comparison, twenty percent of people achieved this with an online information sheet only.  This research does not tell us whether POWeR alone would have provided the same benefit ...

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A group weight loss programme shows promise compared with usual approach

A new, intensive NHS group weight management programme was more effective than the more common individual sessions with a practice nurse. In an NIHR-funded trial based in deprived districts in East London, people who took part in the primary care group-based programme lost nearly 2kg more than those who had individual sessions with a nurse. ...

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Weight loss surgery is value for money in selected people with severe obesity

Surgery is a cost-effective method of weight loss for severely and morbidly obese people. This study of general practice data compared health costs and outcomes for people with severe or morbid obesity who underwent surgery and those who did not. Surgery was associated with a reduced chance of developing diabetes and an increased chance of ...

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Weight loss surgery for obesity can lead to substantial weight loss and improved health outcomes

On average people lost 5 kg more in each of the first four months after weight loss surgery than those of a similar weight who did not undergo surgery. The risks of developing type 2 diabetes and high blood pressure were reduced. Surgery was linked to reduced risk of heart disease and sleep-related breathing problems. ...

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Larger portion, package or tableware size may increase food consumption

This Cochrane review found that people ate and drank more when offered larger-sized portions or when using larger tableware (such as plates, bowls, bottles or glasses). However, the evidence for the effects of portion, package and tableware size on selection and consumption was of moderate quality and most of the included studies (58 of 72) ...

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