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Young women with high body fat are less likely to develop bad cancer before menopause, according to scientists at the National Institutes of Health and its collaborators. "These findings can help researchers better understand the role of obesity in bad cancer risk," said Dr. Dale Sandler, co-author and chief epidemiologist of the National Institute of Cancer Research. # 39; environment. Especially after menopause, we run an increased risk of bad cancer after menopause, but we found that the risk of bad cancer does not increase in obese women before menopause, but shrinks, indicating that different mechanisms Biologicals are responsible for bad cancer. In young women
Risk Factors
The emergence of bad cancer was relatively rare before menopause, and researchers found it difficult to fully badess risk factors in a single study. And that previous studies suggest that risk factors for bad cancer in younger women may not be the same in older women.
To understand the risk of bad cancer in premenopausal women, Sandler and other researchers compiled a collection of data from 19 different studies, involving 758,592 women worldwide. This approach allowed the Group to identify risk factors and trends that were difficult to detect with fewer women.
The number of study participants ranged from 18 to 54 at the beginning of the study. Volunteers for each individual study completed several sets of questionnaires, which included height, weight, and other health factors. With this information, researchers evaluated the risk of bad cancer in relation to body mbad index (BMI) in the following age groups: 18-24, 25-34, 35-44 , 45-54.
Scientists found that the relative risk of premenopausal bad cancer decreased by 12 to 23% for each increase in BMI by five units. According to age. The strongest effect was observed on BMI between 18 and 24 years, very obese women in this age group 4.2 times less than premenopausal women compared with women with a Low BMI at the same age.
Although Sandler and her colleagues are unsure of why they are suffering from bad cancer, she warns that young women should not be deliberately overweight to reduce the risk of bad cancer. bad.
Sandler concluded, "We hope this is the first study of many studies that focuses specifically on risk factors for bad cancer in young women."
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