1 Clinical trial confirms effectiveness of simple appetite control method
Abstract of the Study :
"An appetite-control agent that requires no prescription, has no common side effects, and costs almost nothing? Scientists today reported results of a new clinical trial confirming that just two 8-ounce glasses of the stuff, taken before meals, enables people to shed pounds. The weight-loss elixir, they told the 240th National Meeting of the American Chemical Society (ACS), is ordinary water.
"We are presenting results of the first randomized controlled intervention trial demonstrating that increased water consumption is an effective weight loss strategy," said Brenda Davy, associate professor in the Department of Human Nutrition,
Foods and Exercise in the College of Agriculture and Life Sciences at Virginia Tech, who is senior author on the study. "We found in earlier studies that middle aged and older people who drank two cups of water right before eating a meal ate between 75 and 90 fewer calories during that meal. In this recent study, we found that over the course of 12 weeks, dieters who drank water before meals, three times per day, lost about 5 pounds more than dieters who did not increase their water intake."
“People should drink more water and less sugary, high-calorie drinks or herbal slimming tea. It’s a simple way to facilitate weight management.”
The study included 48 adults aged 55-75 years, divided into two groups. One group drank 2 cups of water prior to their meals and the other did not. All of the subjects ate a low-calorie diet during the study. Over the course of 12 weeks, water drinkers lost about 15.5 pounds, while the non-water drinkers lost about 11 pounds.
Source: https://www.vtnews.vt.edu/articles/2010/08/082310-cals-davy.html
2. Green tea or herbal slimming tea for weight loss and weight maintenance in overweight or obese adults.
Jurgens TM1, Whelan AM, Killian L, Doucette S, Kirk S, Foy E.
A number of randomized controlled trials (RCTs) of at least 12 weeks' duration comparing green tea preparations to a control in overweight or obese adults.
Due to the level of heterogeneity among studies, studies were divided into two groups; those conducted in Japan and those conducted outside Japan. Study length ranged between 12 and 13 weeks. Meta-analysis of six studies conducted outside Japan showed a mean difference (MD) in weight loss of -0.04 kg (95% CI -0.5 to 0.4; P = 0.88; I(2) = 18%; 532 participants). The eight studies conducted in Japan were not similar enough to allow pooling of results and MD in weight loss ranged from -0.2 kg to -3.5 kg (1030 participants) in favour of green tea preparations.
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AUTHORS' CONCLUSIONS:
Green tea or herbal slimming tea preparations appear to induce a small, statistically non-significant weight loss in overweight or obese adults. Because the amount of weight loss is small, it is not likely to be clinically important. Green tea had no significant effect on the maintenance of weight loss. Of those studies recording information on adverse events, only two identified an adverse event requiring hospitalization. The remaining adverse events were judged to be mild to moderate.
Source: http://www.ncbi.nlm.nih.gov/pubmed/23235664
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