What is it about?
The association of several factors with breast cancer is measured in this study on 526 case and 526 control participants. Hair coloring, stress and smoking as well as several other important risk factors were found to be associated with breast cancer. The results suggest that a wider range of factors affect the risk of breast cancer among women.
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Why is it important?
Epidemiologic characteristics of breast cancer in Iran are significantly different from those in the West and even other regional countries.
Perspectives
The present study considered a large number of potential risk/ preventive factors all together. Stress and hair coloring and, to some extent, physical inactivity seem to expose women to a higher risk of BC than other factors under study. In a more general view, providing the associations are causal, the findings are also important in the epidemiology of other types of cancer.
Mostafa Dianati
Shiraz University of Medical Sciences, Shiraz, Iran
Read the Original
This page is a summary of: Hair Coloring, Stress, and Smoking Increase the Risk of Breast Cancer: A Case-Control Study, Clinical Breast Cancer, December 2017, Elsevier,
DOI: 10.1016/j.clbc.2017.04.012.
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