There are many variables and each individual is different. Some women have survived well into their 80's.
Here is some information.
Breast cancer statistics show that over 1.2 million persons will be diagnosed with breast cancer worldwide this year, according to the World Health Organization. For breast cancer and prevention, it has long been known that regular physical activity has been shown to decrease the likelihood of having breast cancer. What has not been known or studied has been the effect of regular physical activity on the breast cancer survival rates or likelihood of death in women that already have breast cancer. That is, until now.
The breast cancer statistics and findings as reported by the American Medical Association’s Journal of the American Medical Association (JAMA) in May 2005 were astounding! Certain participants in the study of women with Stage I, II or III breast cancer achieved a 50% reduction in the death rate from breast cancer.
Here are these breast cancer statistics: the journal reported that in the study 2,987 female registered nurses had been diagnosed with breast cancer during the years 1984-1998. What the study found was that the women who had physical activity equivalent to walking at a steady pace of 2.0-2.9 miles per hour for 3-5 hours a week had a death rate of only 50% of the death rate of women who had physical activity equivalent to walking less than one hour a week. The conclusion of the breast cancer statistics in the study was that physical activity after breast cancer has been diagnosed may reduce the risk of death from breast cancer. The study found that there was little evidence of any relation between increased physical activity and increased benefit.
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