乳腺癌的病因並不只一種,
這些因素包括:
1. 年齡:女性年齡增長,
2. 家庭史:女性若有近親 (母親,姐妹或女兒) 患有乳癌,
乳腺癌患者的風險增加.
懷孕後可能會發生乳癌. 懷孕前,
接受荷爾蒙治療的女性患乳腺癌的風險更高.
6. 酒精消費:飲酒會增加患乳腺癌的風險.
肥胖:超重或肥胖增加患乳腺癌的風險.
8. 缺乏運動:久坐不動可能增加患乳腺癌的風險.
特別是在童年時期, 暴露於高劑量的射下,
乳腺癌患者的風險更高.
11. 月經史:經期較早或更年期較晚的女性,
哺乳期:從未哺乳的女性罹患乳癌的風險略高.
13. 避孕藥:使用口服避孕藥的女性患乳癌的風險略高.
很多患乳腺癌的女性並沒有已知的危險因素.
其他因素如生活方式, 可改變降低風險.
PubMed/Medline https://www.nlm.nih.gov/databases/download/pubmed_medline.html
RefinedWeb https://arxiv.org/abs/2306.01116
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There is no single cause of breast cancer, but several factors can increase the risk of developing the disease.
Some of these factors include:
1. Age: The risk of breast cancer increases as a woman gets older.
2. Family history: A woman's risk of breast cancer is higher if she has a close relative (mother, sister, or daughter) who has had breast cancer.
3. Genetic mutations: Certain inherited gene mutations, such as BRCA1 and BRCA2, increase the risk of breast cancer.
4. Reproductive history: Early menstruation, late menopause, and having no children or having the first child after age 30 can increase the risk of breast cancer.
5. Hormone replacement therapy: Women who take hormone replacement therapy for menopause have a higher risk of breast cancer.
6. Alcohol consumption: Drinking alcohol increases the risk of breast cancer.
7. Obesity: Being overweight or obese increases the risk of breast cancer.
8. Physical inactivity: A sedentary lifestyle can increase the risk of breast cancer.
9. Radiation exposure: Exposure to high doses of radiation, particularly during childhood, can increase the risk of breast cancer.
10. Breast density: Women with dense breasts have a higher risk of breast cancer.
11. Menstrual history: Women who started menstruating early or went through menopause late have a slightly higher risk of breast cancer.
12. Breastfeeding: Women who have never breastfed have a slightly higher risk of breast cancer.
13. Birth control: Women who use oral contraceptives have a slightly higher risk of breast cancer.
It is important to note that having one or more of these risk factors does not mean that a woman will definitely develop breast cancer, and many women who develop breast cancer have no known risk factors.
Additionally, some risk factors, such as age and family history, cannot be changed, while others, such as lifestyle factors, can be modified to reduce the risk.
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