30% OF CANCERS IN WOMEN COULD BE PREVENTED THROUGH NUTRITIONAL CHANGES
In the same way as the quality of sleep or the time of the meal, the diet plays a role in general health and especially in the risk of cancer. Current research shows that approximately 30% of cancers can be prevented through nutritional modifications and adjustments.
Although there is a proven link between obesity and some types of cancer, the relationship between energy and dietary weight, otherwise known as dietary energy density (sometimes referred to as density caloric). Energy density refers to the amount of energy or calories contained in a given weight (eg kcal/g) of food.
To learn more, researchers examined the dietary energy density in the postmenopausal women diet. Amazingly at first, they discovered that consumption of large foods was linked to a 10% increase in cancer – usually related to obesity – in women with normal weight. Their results are published in the Journal of the Academy of Nutrition and Dietetics of 17 August 2017.
THE EFFECT IN NORMAL WEIGHT WOMEN OF OBESITY
Food energy density is a measure of food quality and the relationship between calories and nutrients. The more calories per gram, the higher the food energy density. Whole foods, including vegetables, fruits, lean protein and beans, are considered low-energy foods because they provide a lot of nutrients using very few calories.
Processed foods, such as hamburgers and pizzas, are considered high-energy dietary foods because you need a larger amount to get the necessary nutrients. Previous studies have shown that regular consumption of high-energy food foods contributes to weight gain in adults.
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To better understand how dietary energy density alone relates to cancer risk, researchers used data from 90,000 postmenopausal women, including accurate information about their diet and a set of cancer diagnosis.
The team found that women who consumed a diet with higher dietary energy density were 10% more likely to develop obesity-related cancer, regardless of their body mass index (BMI). In fact, the study found that the increased risk was limited to women who had a normal weight for enrollment in the program.
“The effect in normal-weight women of the obesity-related risk of cancer is new and contrary to our hypothesis. This discovery suggests that weight control alone can not protect against obesity-related cancers if women prefer a diet indicating high energy density, “the researchers said.
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Although the restriction of dense energy foods may play a role in weight management, researchers found that weight gain was not solely responsible for the increased risk of cancer in women with normal weight in the body. ‘study. They hypothesize that higher dietary energy density in women of normal weight can cause metabolic irregulation that is independent of body weight, which is a known variable to increase the risk of cancer.
This information can help persuade postmenopausal women to choose low-energy foods, even if they are already at a healthy body mass index. Further study is needed to understand how dietary energy density can play a role in cancer risk for other populations, such as young people and men.
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Finally, the researchers explain that “in normal weight women, a higher food energy density may be a contributing factor in obesity-related cancers. It is important to note that dietary energy density is a modifiable risk factor. Nutritional interventions targeting energy density and other preventive approaches to cancer through dietary modification are warranted to reduce the rate of cancer in postmenopausal women.”