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Overweight and metabolic syndrome

Monday, November 16th, 2009

Eating habits have a major influence on body weight but not the only thing that determines whether a person is overweight or not, that is, not only do we eat to gain weight, genetic factors also influence and how it works body.

How our body depends on metabolism is slow and when it has a propensity to gain weight easily, so it’s important to know how it works on our learning to control some environmental factors such as nutrition and achieving results.

But we should not blame excess weight on our metabolism, because much can be done to prevent such kilos de mas. They are the very things that help prevent metabolic syndrome.
What is metabolic syndrome?

The metabolic syndrome, also known as Syndrome X, Syndrome plurimetabolic, Insulin resistance syndrome and Reaven’s syndrome, is a malfunction in the assimilation of foods that explains why many people can not lose weight despite their hard work.

However it is much more than that, a collection of various diseases or risk factors in an individual that increase the chances of cardiovascular disease or diabetes.

The cause of the metabolic syndrome is unknown, their pathophysiology is extremely complex and only partly known. Most patients have a significantly higher age, are obese, sedentary, and have some degree of insulin resistance. The most important factors are, in order: age, genetics, sedentary lifestyle and overconsumption of calories.

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Cutting calories is the key to losing weight

Monday, November 16th, 2009

A study published in the New England Journal of Medicine, led by the School of Public Health at Harvard and the Pennington Biomedical Research Center in Louisiana, has determined that the key to losing weight is to stick to the basic rule: down the calories.

According to Dr. Elizabeth Nabel, director of the National Heart, Lung and Hematologic, “The secret is that no matter if you focus on reducing fat or carbohydrate … the key is to limit consumption of calories and burn more calories exercise.

The researchers randomly assigned 811 overweight adults with four diets, each of which contained different levels of fat, protein and carbohydrates. All four contain healthy fats, were rich in whole grains, fruits and vegetables and low in cholesterol.

About two thirds of participants were women. Each was encouraged to lose 750 calories a day with your diet, they exercised 90 minutes a day, keeping a food diary on the Internet and meet regularly with advisors in nutrition to monitor his progress.

None of the diets was better than the other: reducing weight and waist size were similar in all groups.

Participants lost an average of 6 kg (13 pounds) at six months, but all the groups began to gain weight after a year. Within two years the average weight loss was down to 4 kilograms (9 pounds). Only 15% lost 10% or more of their initial weight.

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