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publicado em 24/08/2010 às 22h00:00
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Confirmed the efficiency of water use in appetite control

First randomized controlled trial showed that two cups taken before meals, helps in weight loss

 
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Foto: Divulgação/Solutions SK
Foto: Divulgação/Virginia Tech
Children drinking water, according to study, while moisturizing, helps control appetite Brenda Davy, professor in the Department of Human Nutrition, Foods and Exercise in the College of Agriculture and Life Sciences at Virginia Polytechnic Institute and State University
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Children drinking water, according to study, while moisturizing, helps control appetite
Brenda Davy, professor in the Department of Human Nutrition, Foods and Exercise in the College of Agriculture and Life Sciences at Virginia Polytechnic Institute and State University

Scientists reported the discovery of an appetite control agent which does not require a prescription, has no side effects and not expensive. Results of a clinical trial confirmed that only two glasses of plain water, taken before meals, allow people to lose weight.

"We are presenting the results of the first randomized controlled trial showing that an increase in water consumption is an effective strategy for weight loss," said senior study author, Brenda Davy, professor in the Department of Human Nutrition, Food and Exercise in the College of Agriculture and Life Sciences at Virginia Polytechnic Institute and State University, USA. "We found in previous studies that middle-aged and elderly women who drank two glasses of water before meals ate 75 to 90 fewer calories. In a recent study found that over 12 weeks, dieters who drank water before meals three times a day, lost about 5 pounds more than those who did not increase the consumption of the liquid. People should drink more water and less high-calorie drinks. It is a simple way to help manage weight. "

Davy notes that folklore and time of everyday experience have suggested that water can help promote weight loss. But there has been surprisingly little scientific information on the subject. Previous studies have suggested that drinking water before a meal reduces caloric intake. But until now lacked evidence of a randomized, controlled clinical trial that compared weight loss among dieters who drank water before meals with those who did not have that habit.

The study included 48 adults aged between 55 and 75 years, divided into two groups. One group drank two glasses of water before meals and the other not. All subjects were on a low-calorie diet during the study. Over 12 weeks, those who drank water lost about 15.5 pounds, while the other has lost about 11.

Davy said that water can be as effective simply because it fills the stomach with a substance that has zero calories. People feel more satiated, and as a result, eat less high calorie foods during the meal. Increased water consumption can also help people lose weight, to replace sugary drinks that contain calories.

The researcher noted that no one knows exactly how much people should drink water every day. The Institute of Medicine, an agency of the National Academies, which advises the federal government on science, recommends that most healthy people can simply let thirst be your guide. It does not specify exact requirements on the amount of water, but sets general recommendations for women at about 9 cups of fluids - all beverages, including water - every day, and men around 13 cups of fluid.

Source: Isaude.net
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water consumption    appetite control    weight loss    Brenda Davy    Virginia Polytechnic Institute and State University   
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