Category Archives: Exercise

Researchers quantify how many years of life are gained by being physically active

In a new study from Brigham and Women’s Hospital, in collaboration with the National Cancer Institute, researchers have quantified how many years of life are gained by being physically active at different levels, among all individuals as well as among various groups with different body mass index.

Read more at: http://medicalxpress.com/news/2012-11-quantify-years-life-gained-physically.html#jCp

via Researchers quantify how many years of life are gained by being physically active.

Why getting physically stronger will help you live longer

S

trength is a key factor in longevity and an extended healthy life. And in fact, resistance training may be the single most important thing you can add to your fitness regimen. Here’s how getting stronger will make you harder to kill.

 

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Why current strategies for fighting obesity are not working

‎”the researchers conclude that food restriction alone is not effective in reducing obesity, explaining that although caloric restriction produces weight loss, this process triggers hunger and the body’s natural defense to preserve existing body weight, which leads to a lower resting metabolic rate and notable changes in how the body burns calories. As a result, energy requirements after weight loss can be reduced from 170 to 250 calories for a 10 percent weight loss and from 325 to 480 calories for a 20 percent weight loss. These findings provide insight concerning weight loss plateau and the common occurrence of regaining weight after completing a weight loss regimen.”

via Why current strategies for fighting obesity are not working.

Exercise, even mild physical activity, may reduce breast cancer risk

Women who exercised either during their reproductive or postmenopausal years had a reduced risk of developing breast cancer. Women who exercised 10 to 19 hours per week experienced the greatest benefit with an approximate 30 percent reduced risk. Risk reductions were observed at all levels of intensity, and exercise seemed to reduce the risk of hormone receptor positive breast cancers, the most commonly diagnosed tumor type among American women.

“The observation of a reduced risk of breast cancer for women who engaged in exercise after menopause is particularly encouraging given the late age of onset for breast cancer,” McCullough said.

When the researchers looked at the joint effects of physical activity, weight gain and body size, they found that even active women who gained a significant amount of weight – particularly after menopause – had an increased risk of developing breast cancer, indicating that weight gain can eliminate the beneficial effects of exercise on breast cancer risk.

via Exercise, even mild physical activity, may reduce breast cancer risk.

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