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Home » Long Term Weight Loss » Researchers Find Long-term Benefits From Healthy Dieting Practices

October 12, 2012

Brett Smith for redOrbit.com Your Universe Online

Dieting can be a long, slow process that can seem hopeless and pointless at times, but a new study from Israeli researchers suggests that certain diets can have long-lasting health benefits even with a partial weight gain.

According to their peer-reviewed letter in the New England Journal of Medicine, the scientists discovered the benefits during a follow-up examination meant to update their 24-month dietary intervention study of moderately obese individuals from four years previous. That study, the workplace-based Dietary Intervention Randomized Controlled Trial (DIRECT), guided participants to one of three weight-loss plans: a low-fat, restricted-calorie diet; a Mediterranean, restricted-calorie diet; or a low-carbohydrate diet without calorie restriction.

Our follow-up subsequent data shows lasting, positive effects of Mediterranean and low-carbohydrate diets six years later, said Dan Schwarzfuchs from the Nuclear Research Center Negev in Dimona, Israel.

The results from their follow-up exams indicate that the lipid profile (lower cholesterol, triglycerides and arteriosclerosis) improved for the long term, despite weight gain in some participants. The study showed that the diets conveyed benefits beyond the dietary period.

Data from trials comparing the effectiveness of weight-loss diets are frequently limited to the intervention period, explained Ben-Gurion University of the Negev professor Iris Shai.

Many exams showed a six-year weight loss that was significantly lower from the baseline metric for those participants that followed the Mediterranean and low-carbohydrate diets. The low-fat dieters show only a slight weight loss.

Four years after the intervention, more than 67 percent of the DIRECT participants had maintained their original assigned diet, 11 percent had switched diets and 22 percent were not dieting at all.

The six-year exams showed the HDL/LDL ratio remained significantly lower only in the low-carbohydrate diet, while triglyceride levels remained significantly lower in the Mediterranean and low-carbohydrate diets. All three diet groups showed total cholesterol levels that remained persistently and significantly lower.

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Researchers Find Long-term Benefits From Healthy Dieting Practices

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Home » Long Term Weight Loss » Researchers Find Long-term Benefits From Healthy Dieting Practices