USA: New study suggests straightening hair increases cancer risk. A study conducted by Oxford Academy's Cancer Institute found that people who straightened their hair had an increased risk of breast and ovarian cancer.
Studies have found that women who use pressing devices and chemicals to straighten their hair are more likely to develop cancer. Chemicals used in hair straightening can increase the risk of hormone-related cancers.
According to a study by the Cancer Institute, 1.6 percent of women who did not use chemical products to straighten their hair in the past year reported ovarian cancer by age 70. But four percent of women who use chemicals have reported ovarian cancer by age 70.
Earlier studies have shown that hair straighteners contain endocrine disrupting chemicals. The products have previously been linked to higher risks of breast and ovarian cancer.
"These findings are the first epidemiological evidence of an association between the use of straightening products and cervical cancer," Alexandra White and colleagues wrote in The Journal of the National Cancer Institute. "Further research is needed to identify the specific chemicals driving this observed association."
See Study: The Journal of the National Cancer Institute
The association between straightener use and uterine cancer did not differ by race in the study. "However, it is important to put this information in context. Cervical cancer is a relatively rare cancer," she added.
Yet, according to the U.S. Centers for Disease Control and Prevention (CDC), cervical cancer is the most common gynecologic cancer in the United States, and rates are increasing especially among black women.
Researchers followed 33,947 ethnically diverse women between the ages of 35 and 74 for an average of 11 years. During that time, 378 women were diagnosed with uterine cancer.
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