is it related to lifestyle?
Yes, it can be triggered by obesity, alcoholism and ionizing radiation exposure.
Breast cancer
Women can reduce their risk of breast cancer by maintaining a healthy weight, reducing alcohol use, increasing physical activity, and breast-feeding. 
what is polyozellus? A type of fungus. what does it look like? The individual caps are violet-black. The stem is dark purplish-black with a smooth and dry surface; the stems are often fused at the base. It is typically wide. The flesh is dark violet, soft .The spore deposit is white. which bioactive compounds are present in it? Kynapcin-12, kynapcin-13 and -28, and -24. does it have any properties which can be useful towards treating health issues? It may have suppressive effects on stomach cancer. is this cancer genetic? 1% and 3% of cases are due to inherited genetic syndromes. can this cancer be prevented? Getting rid of "H. pylori" and consuming a diet high in fruits, mushrooms, garlic, soybeans, and green onions. are there any non food uses of the first ingredient of diet mentioned above? Yes, it vries from culture to culture. which diseases can be cured using the third ingredient from the list? Some cancers of digestive tract and stomach cancer can be decreased. is the fourth ingredient believed to be useful in fight against any other cancers? Yes, breast cancer to some extent.
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Breast cancer [SEP] Lifestyle
Women can reduce their risk of breast cancer by maintaining a healthy weight, reducing alcohol use, increasing physical activity, and breast-feeding. These modifications might prevent 38% of breast cancers in the US, 42% in the UK, 28% in Brazil, and 20% in China. The benefits with moderate exercise such as brisk walking are seen at all age groups including postmenopausal women. High levels of physical activity reduce the risk of breast cancer by about 14%. Strategies that encourage regular physical activity and reduce obesity could also have other benefits, such as reduced risks of cardiovascular disease and diabetes. The American Cancer Society and the American Society of Clinical Oncology advised in 2016 that people should eat a diet high in vegetables, fruits, whole grains, and legumes.