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It is a widespread opinion that the so-called organic foods are better than conventional ones, above all for the lack of pesticides and other chemicals in their cultivation. Moreover, these foods are considered by many people better also for nutritional content. In order to verify these beliefs, a [...]
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In a trial examining the association between meat intake and longevity, about half million Americans (between 50 and 71) have been followed for 10 years, after filling in a questionnaire concerning their food habits. Meat intake, both red and white meat, was quantified in quintiles. After an [...]
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Slimming diets promising fast results according to the decrease in a food element are often advertised, but small-sample trials performed up to now have not given a clearly higher efficacy to a particular diet than to another. Now, a wide long-term multicentric trial has finished: 811 overweight [...]
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From trials on various animals (invertebrates, birds, mammalians) it was found that caloric restriction increases vitality, life duration and memory capabilities; in humans, trials on patients affected by Alzheimer’s disease have suggested that a diet rich in omega-3 fatty acids improves memory and [...]
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Low glycemic index diets are often recommended in the management of type 2 diabetes, in spite of the uncertain results from studies on this matter. In a survey performed in Canada, this kind of diet has been investigated in diabetics not perfectly responding to drugs: 210 subjects, averagely 61, [...]
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Obesity quantification has had in the past various methods: weight/height relation, waist circumference, cutaneous plicae, normograms, all with the intention to verify the importance of overweight in relation to the risks for related diseases. At present, a wide European trial, called European [...]
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The fast introduction of food is associated with an increased intake of energy, with an increase in weight and with overweight (BMI ≥ 25): in this Japanese trial, 3287 adults (between 30 and 69) have been examined as to eating quickness and the habit to eat until full, in order to verify whether [...]
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The benefits of the so-called Mediterranean diet are widely proven: high intake of fibers, intake of vegetal monounsaturated fats (olive oil), poor intake of saturated fat acids, moderate intake of alcohol. Some Italian researchers have now verified the association between this diet and disease and [...]
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It is often difficult, in the whirl of advertising information, to decide which is the best slimming diet, having at one’s disposition various dietary schemes, above all low-carbohydrate or low-fat ones. Some researchers in Israel have then compared three diets (the first one was a low-calorie and [...]
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There is a dramatic tendency to weight gain during childhood, with an increased risk of consequent metabolic syndrome. In this American trial, researchers have randomized 209 obese children (average age 12 years old; average BMI 36; for about 60% of Spanish or Afro-American origins) to undergo an [...]