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Video: Losing Weight After Menopause Reduces Breast Cancer Risk
Losing Weight After Menopause Reduces Breast Cancer Risk
Older women who lose at least some of their excess weight are less likely to get breast cancer than those who are overweight stable. According to scientists, this should cheer up women, since most are able to lose weight to some extent.
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Older women who lose at least some of their excess weight are less likely to get breast cancer than those who are overweight stable. This is evidenced by a new American study published in the journal Cancer.
Obesity has long been known as a risk factor for breast cancer, but previous studies have provided mixed answers to the question of whether weight loss helps prevent disease.
In a new scientific study, scientists measured the body weight and height of 61,000 women twice, with an interval of three years. Then the participants were followed up for an average of 11.4 years. Breast cancer during this time developed in 3061 women.
Women who were able to lose at least 5% of their weight in the first three years were 12% less likely to develop the disease than women who did not lose weight.
“Our results are consistent with the proposition that women can reduce their cancer risk by losing some of their extra pounds, even if they remain overweight. Most of the women who lost weight in our study did not achieve normal body weight,”said study author Dr. Rowan Chlebowski of the City of Hope National Medical Center in California.
According to scientists, this should cheer up women, since most are able to lose weight to some extent.
All participants in the study were postmenopausal, when menstruation stops and the level of the sex hormone estrogen drops. During this period, a woman's main source of estrogen is adipose tissue. It is believed that the risk of breast cancer is increased by this hormone.
Weight gain of 5% or more in the study was not associated with an increase in overall breast cancer risk. However, it increased the risk of triple negative breast cancer by 54% - a severe form that is difficult to treat.