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Item #11
Sugar
Can Improve Weight Control, Another Study
Replacing
dietary fat with a higher intake of carbohydrates, including sugar,
can have a positive effect on weight control in overweight
individuals.
That,
according to a study sponsored by the European Commission and EU sugar
industries. The Comité Européen des Fabricants de Sucre (CEFS) presented results of the CARMEN study
to the European Parliament this week.
In
October a European Commission Status Report on EU actions in nutrition
highlighted the strong increase in overweight and obese people over
recent years. The CARMEN study, conducted in five major European
research centres in Denmark, Germany, Spain, the Netherlands and the
United Kingdom, shows that consumption of extra carbohydrate including
sugar, in place of fat, by overweight people can help control weight
gain without involving special diets or drastic lifestyle changes,
reported CEFS.
In
a meeting with the European Parliament on Tuesday, Professor Wim Saris
from the University of Maastricht, co-ordinator of the CARMEN
research, said that although the weight loss outcome shown in CARMEN
and similar studies seemed modest, if applied to the population in
general, a weight loss of 2-3.5 kgs would actually halve the
percentage of obese people (for instance in the USA from 20 per cent
to 10 per cent).
CEFS
said it commissioned the study to address ‘lingering doubts’ still
held by some members of the scientific community, who continue to
differentiate between substituting complex carbohydrates for fat
calories and substituting simple carbohydrate calories for fat
calories.
The
group claims that high carbohydrate/low fat diets are the best way to
prevent the slow creeping gain in body weight and fat mass. High BMI
and fat mass is correlated with fat intake rather than sugar intake,
it argues.
Carried
out on 400 moderately obese volunteers, CARMEN investigated the
effects of high-carbohydrate/low-fat diets and the type of
carbohydrate (simple vs complex) on bodyweight, fat mass and blood
lipids, in as near a free-living setting as possible.
Results
show that a substantial increase in carbohydrate intake compared with
a typical European diet, and a reduction in fat intake, reduced body
weight (and body fat) in moderately obese adults. The loss of body fat
occurred without consciously cutting calorie intake from the diet, and
had the same effect whether the fat-substituting foods contained
simple sugars or were starch-based, report the researchers.
The
study also demonstrated a modest yet significant loss in fat mass (of
1.3 – 1.8 kg) in both the sugar and starch groups Both intervention
groups showed no adverse (nor statistically different) effects on
blood lipid parameters nor on total fibre intake.
Presenting
the study, the sugar industry claimed the results refute the theory
that sweetened food promotes passive over-consumption, and by
implication, weight gain. The study findings also challenge the view
that sugar is a contributing factor to the public health problem of
obesity. And the results challenge the controversy about whether fat
should be replaced by either simple or complex carbohydrates in weight
control diets, finding that there is no difference.
Commenting
on the study, the CEFS conclude: “With regard to weight control,
people need to watch their fat intake, rather than control their
intake of sweet carbohydrates such as sugar, which after all will make
their diets more acceptable.”
The
European Sugar Industry said the presentation was part of its effort
to promote wider communication on healthy dietary habits and to
educate consumers on good nutrition.
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