Low calorie-dense diets – think veggies – may lower breast cancer risk

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Diets high in fruits, vegetables and other foods with fewer calories per bite may lower an older women’s risk of breast cancer compared to women who eat lots of high calorie-dense foods, suggests a new study. The findings suggest the link is independent of overweight and obesity, a risk factor for postmenopausal breast cancer.

The study was published in The Journal of Nutrition.

In this study researchers looked at energy density, the amount of calories in a certain weight of food, typically a gram. Cakes, ice cream and other foods heavy in oils and added sugars are high in energy density. Low energy-dense foods are higher in water and fiber, making these foods generally lower in calories for every gram. Vegetables, fruits and many unprocessed grains are generally low in energy-density.

The study analyzed data from almost 57,000 postmenopausal women who had no history of breast cancer.
Read more… “Low calorie-dense diets – think veggies – may lower breast cancer risk”

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    Can Exercise Offset Alcohol-Related Cancer Death?

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    Research shows that drinking alcohol increases cancer risk. Now, a new study is suggesting that going for that daily run or walk might offset risk for cancer mortality.

    This study, published in the British Journal of Sports Medicine, found the link between alcohol and cancer mortality goes away when people meet the minimum physical activity guidelines. These findings have been making headlines, but do they give you license to drink with abandon as long as you’re physically active? Not so fast.

    The study used data from over 36,000 British men and women ages 40 and up who were interviewed between 1994 and 2006 about their physical activity and alcohol consumption habits as part of larger, ongoing health surveys. Researchers classified participants as never-drinkers, ex-drinkers, or current drinkers based on what they told interviewers. Current drinkers were further categorized by how much alcohol they drank in the past week. Read more… “Can Exercise Offset Alcohol-Related Cancer Death?”

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      Study: Lose weight through diet alone, or with exercise, cut cancer- promoting substances

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      AICR’s evidence shows that having too much body fat increases risk for eleven cancers. But researchers are looking at whether losing weight, once overweight, would lead to lower risk for these cancers. Now a new study from researchers at Fred Hutchinson Cancer Research Center shows how weight loss – through diet alone or diet and exercise – might change pro-cancer substances in the body.
      The 12-month controlled trial of 439 healthy, postmenopausal women with overweight/obesity included 4 randomized groups: calorie restriction diet; moderate activity (goal of 3.75 hours per week), diet and exercise, and no intervention. Researchers wanted to see if these lifestyle changes would affect four substances in the body (biomarkers) that influence formation of blood vessels needed for tumor growth. Fat cell growth also requires a greater blood supply, so these biomarkers are also associated with increasing fat tissue.

      After 12 months, women in the exercise group lost 2.4% of their body weight; diet only reduced by 8.5% and those exercising and dieting lost 10.8% of their weight. And the more they lost, the more their biomarkers were reduced. Read more… “Study: Lose weight through diet alone, or with exercise, cut cancer- promoting substances”

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