Om af te vallen helpt een gezond dieet veel beter dan alleen bewegen.*
Uit een Australische beschouwing van 43 studies over afvallen blijkt duidelijk dat een gezond dieet veel meer resultaat geeft dan veel bewegen. Doorgaans valt iemand, in 6 maanden met alleen een gezond dieet wel 9-10 kg af. Met alleen veel bewegen valt iemand in dezelfde periode slechts 2 kilo af.
Healthy
Diets Beat Exercise for Weight Loss
-- Exercise alone won't help you lose
weight if you continue eating an unhealthy diet.
That's the conclusion of an Australian
review of 43 weight-loss studies dating back to 1985.
"Exercise by itself is not going to be
an effective weight-loss strategy for an individual, you really need to combine
exercise with better nutrition," review lead author Dr. Kelly Shaw, a
public health doctor with the department of health and human services in
Tasmania, said in a prepared statement.
She also concluded that a healthy diet
actually does more to promote weight loss than exercise.
If someone told her they wanted to lose
weight but had to choose between either diet or exercise alone, Shaw said her
response would be, "you need to look at your nutrition intake because
there's a bigger bang for your buck from modifying nutrition than there is with
physical activity."
The review is published in the current
issue of The Cochrane Library journal.
The evidence is clear that, in the short
term, diet has more of an impact on weight loss than exercise, said John Jakicic,
chair of the department of health and physical activity at the University of
Pittsburgh School of Education. He was not involved in the review.
"Within 6 months, with diet alone we
can get about a 9 or 10 kilogram weight loss, which is over 20 pounds, versus
with activity we get about a 2 kilogram weight loss in that same period of
time," Jakicic said in a prepared statement.
However, while diet is important in early
weight loss, "exercise seems to be one of those key factors for keeping the
weight off when you lose it," Jakicic said.
More
information
The American Academy of Family Physicians
has more about weight control (familydoctor.org ).
(Nov. 2006)