Anastasia Weight Loss : Fruits And Vegetables Lead To Permanently Weight L...

Anastasia Weight Loss : Fruits And Vegetables Lead To Permanently Weight L...: Although most Americans find their waistlines expanding with each year, a few manage to stay slender and trim throughout their lives. Thes...

Fruits And Vegetables Lead To Permanently Weight Loss

Although most Americans find their waistlines expanding with each year, a few manage to stay slender and trim throughout their lives. These are the ones who capture attention and never seem to look their ages. How they do it was the subject of a recent Consumer Reports investigation that sought to determine if these people were genetically gifted, or whether they were in possession of a magic secret resembling the fountain of youth. The study found that getting a large part of nutrition from fruits and vegetables played a big part in keeping these people trim and youthful.

Eat more fruits and vegetables to reach and maintain ideal weight

Consumer Reports National Research Center asked subscribers to their magazine about their lifetime weight history and their eating, dieting, and exercising habits. A total of 21,632 readers completed the survey which identified three key groups: people who were never overweight during their lives, people who were once overweight but have kept themselves at least ten percent lighter for the last three years, and people who were overweight and would like to lose but are still close to their heaviest weight. The always thin people made up 16% of the sample, and the successful losers were 15% of the sample. Failed dieters made up 42%, with the rest not fitting into any category.

The group that had always been thin included a tiny 3% who said they never exercised and ate whatever they wanted. The rest of the always thin group was a lot like those in the successful losers group. This statistic belies the notion that people who have always been thin have some sort of hereditary advantage.

An analysis of the data revealed six key behaviors shared by the always thin and successful losers groups. These behaviors were defined by Consumer Reports as correlating highly with a healthy body mass index (BMI). Leading the list was the eating of fruits and vegetables. 49% of the always thin and successful losers groups said they ate five or more servings a day of fruits and vegetables for at least five days out of a week.

What about fruits and vegetables allows people to achieve a healthy BMI? Fruits and vegetables are low in calories, high in volume, and high in critically important nutrients. They provide the feeling of satiety that goes with fullness. When the stomach is filled with high volume foods that are not high in calories, there is less room to pack in more calorie dense foods.

Fruits and vegetables help weight loss by reducing energy density

A recent study from the Department of Nutritional Sciences at Pennsylvania State University studied the relationship of energy density to dietary outcome. They found that lowering the energy density by increasing the volume without changing nutrient content can enhance satiety and reduce energy intake at a meal. Satiation was shown to be influenced by energy density when the portions of macronutrients were constant. Since people tend to eat a consistent weight of food, when the energy density of the food is reduced, energy intake is also reduced. The effects of considering energy density have been seen across broad ranges of adults as well as in children. Both population based studies and long term clinical trials have shown that reducing the energy density of the diet by the addition of fruits and vegetables was associated with substantial weight loss even when people were not told to restrict calories. 

Substituting beans and lentils for meat is a great way to lower the energy density of a meal. The calories are about the same, but beans and lentils are high in fiber. Beans and lentils are more filling than meat because a quarter pound of beans has a greater volume than a quarter pound of meat.