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American Heart Association says Long-term benefits of popular Diets are under evident

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Popular commercial diets will help you lose a few pounds in the short term, but staying lean after the first year and also the diet's effect on heart health are unclear, based on a study published in Circulation: Cardiovascular Leisure 18 Slimming Coffee Quality and Outcomes, an American Heart Association journal.Nearly 70 % of American adults are obese or overweight - and for that reason at greater risk for health problems for example heart disease, stroke, hypertension and diabetes. Whether a diet will be effective is a vital public health question.

"Despite their popularity and important contributions towards the multi-million dollar weight loss industry, we still do not know if these diets are effective to help people slim down and reduce their risk factors for heart disease," said Mark J. Eisenberg, M.D., M.P.H., the study's senior author and Professor of Medicine at Jewish General Hospital/McGill University in Montreal, Quebec, Canada. "With this type of few trials taking a look at each diet and their somewhat conflicting results, there is only modest evidence that with such diets is helpful within the long-term."After analyzing clinical trials on four popular weight loss programs -- Atkins, South Beach, Dieters, and Zone -- that promote weight reduction and improved cardiovascular health, researchers found:In trials comparing Weight Watchers to usual care, Weight Watchers dieters lost an average 7.7 to 13.2 pounds after one year compared to 1.8 to 11.9 pounds with usual care, however at 24 months, the load lost was partially regained. Usual care describes conventional methods to promote weight reduction such as low-fat diets, behavioral weight reduction intervention, nutritional counseling, or self-help materials.Results from trials on the Atkins diet were inconsistent. In the only trial comparing the South Beach diet to usual care, no improvement in weight reduction occurred in 12 months, nevertheless the participants within this study were both severely obese coupled with undergone gastric bypass surgery.Trials involving head-to-head comparisons between Atkins, Weight Watchers, Zone and usual care claim that all four create a modest weight loss at one year, as did those in the control group who received the usual care. Those on atkins lost a typical 4.Six to ten.3 pounds; Dieters participants lost an average 6.6 pounds; Zone dieters lost a typical 3.Five to seven pounds; and control lost about 4.85 pounds.In studies involving head-to-head comparisons, there were no marked differences between Atkins, Weight Watchers, and Zone diets at improving cholesterol, blood pressure level, blood sugar levels, or other cardiovascular risks.A long diet studies researchers analyzed lasted for 2 years, and outcome was only available for that Atkins or Weight Watchers diets. Those studies found dieters regained some of their weight with time.
To higher understand the potential benefits from anyone or all of these diets, researchers have to conduct large clinical trials directly comparing all popular diets for long-term weight reduction and changes in other cardiovascular disease P57 Hoodia Slimming Capsule risks, he said."A broader lifestyle intervention, which also involves doctors along with other health professionals, might be more efficient," Eisenberg said. "This also tells doctors that popular diets by themselves may not be the solution to help their patients lose weightare on the manuscript.The Canadian Institutes of Health Research funded the research.

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