Tall women more likely to get cancer
The taller a woman is, the more likely she is to get cancer after menopause, a new US study has claimed.
In a study of 20,928 postmenopausal women, researchers found that for every 10-centimetre (3.94 inches) increase in height, there was a 13 per cent increase in the risk of developing any cancer.
Among specific cancers, there was a 13 per cent to 17 per cent increase in the risk of getting melanoma and cancers of the breast, ovary, endometrium, and colon. There was a 23 per cent to 29 per cent increase in the risk of developing cancers of the kidney, rectum, thyroid, and blood. The taller a postmenopausal woman is, the greater her risk for developing cancer, researchers said in the study published in Cancer Epidemiology, Biomarkers & Prevention.
“We were surprised at the number of cancer sites that were positively associated with height. In this data set, more cancers are associated with height than were associated with body mass index [BMI],” said Geoffrey Kabat, senior epidemiologist in the Department of Epidemiology and Popula-tion Health at Albert Einstein College of Medicine of Yeshiva University in New York.
“Ultimately, cancer is a result of processes having to do with growth, so it makes sense that hormones or other growth factors that influence height may also influence cancer risk,” Kabat said.
Some genetic variations associated with height are also linked to cancer risk, and more studies are needed to better understand how these height-related genetic variations predispose some men and women to cancer, according to the authors. The women in the study were identified from a large cohort of 144,701 women recruited to the Women’s Health Initiative (WHI), a large, multicentre study of postmenopausal women.
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