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What's New in Weight Loss: Programs That Work - and Some That Don't Work
What's New in Weight Loss: Programs That Work - and Some That Don't Work -- Posted by Gumbo on 11-30-04 16:24
What's New in Weight Loss: Programs That Work - and Some That Don't Work
LAS VEGAS, Nov 17, 2004 /PRNewswire via COMTEX/ -- Two studies being
presented at the North American Association for the Study of Obesity's
(NAASO's) Annual Scientific Meeting offer hope for people working to lose
weight and keep it off, while other studies find some fad diets are no more
effective than losing weight the old-fashioned way -- working it off with
exercise.
One study, by researchers at the University of Vermont, found that an
interactive Web site (including personal and group feedback) helped subjects
lose an average of 21 pounds in six months -- more than twice as much as
those using a commercial weight-loss Web site could shed. The pilot program,
known as VTrim, offered subjects weekly behavioral lessons, online
facilitated chats, self-monitoring of calories and exercise, individualized
therapist feedback and peer support with group members. Members of a control
group made use of eDiets.com, a Web site offering information on weight loss
methods and peer support but no one-to-one therapist feedback or structured
group format.
"I felt like it was a win-win result," said lead researcher Beth Casey Gold,
a registered dietitian and clinical coordinator of the University of Vermont
Weight Management program. "While the VTrim program was far more successful
than eDiets.com, the group on eDiets, which is a less expensive program to
run, still lost an average of 9 pounds in six months. Our research clearly
showed that it's possible to run a successful weight-loss program on the
Internet."
Another study, by researchers in Australia, found that eating high- protein,
low-carb snack bars between meals can successfully take the edge off the
appetites of overweight women so that they eat less during lunch and dinner.
The study found that women who ate the high-protein, low-carb snack bars ate
5 percent fewer kilojoules (mostly as carbohydrates) during regular meals as
a result. They also lowered their blood glucose and insulin profiles
significantly (by 14 percent and 12 percent respectively).
Two separate studies examined the effectiveness of two highly publicized
diets at reducing weight and improving insulin sensitivity.
The first study, by researchers at the University of Vermont, set out to
replicate data suggesting that eating a diet high in dairy products would
help people to lose weight. But the study contradicted that data, finding
the high-dairy diet was no more effective than a high-quality behavioral
modification program including regular exercise.
This study, lead by Jean Harvey-Berino, Professor and Chair of Nutrition and
Food Sciences, also contradicts the results of a similar trial which has
been promoting dairy products based upon the positive results. "Our high
dairy group lost the same weight as the other high-dairy group, "said
Harvey- Berino, "but individuals in our low-dairy group did a lot better
than those in the first study." The results will be discussed during the
November 17 presentation at NAASO's Annual Meeting.
Finally, a study that compared low- and high-carb diets and their impact on
insulin sensitivity over six months found no difference between the two.
While both diets improved insulin sensitivity, the study results suggest
that neither diet is any more or less effective at preventing type 2
diabetes. Experts agree that the best way to prevent type 2 diabetes is by
making lifestyle changes that include exercising regularly and losing 5-7
percent of body weight.
All of the studies were presented as part of a joint effort by NAASO and the
American Diabetes Association (ADA) to increase awareness of the rising
problem of obesity and its related health problems in the United States.
NAASO and ADA recognize obesity as a significant threat to public health and
are cooperating to provide further opportunities for sharing obesity
information, increasing obesity awareness and facilitating more research and
better clinical care in their joint effort to fight this disease.
According to the Centers for Disease Control and Prevention (CDC), deaths
due to obesity -- as it relates to poor diet and physical inactivity -- may
soon overtake tobacco as the leading preventable cause of death. Obesity can
significantly increase a person's risk for a number of serious conditions,
including type 2 diabetes, heart disease, stroke, high blood pressure and
some types of cancer.
The North American Association for the Study of Obesity (NAASO) is a leading
scientific society dedicated to the study of obesity. NAASO is committed to
encouraging research on the causes, treatment and prevention of obesity as
well as to keeping the scientific community and public informed of new
advances in the field. For more information about NAASO and obesity, visit
http://www.naaso.org or call 301-563-6526.
The American Diabetes Association is the nation's leading voluntary health
organization supporting diabetes research, information, and advocacy.
Founded in 1940, the Association has offices in every region of the country,
providing services to hundreds of communities. For more information about
the Association and diabetes, please visit http://www.diabetes.org or call
1-800-DIABETES (1-800-342-2383).
Abstract #93-OR, 208-P, 91-OR, 40-OR
SOURCE North American Association for the Study of Obesity; American
Diabetes Association
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