The lifetime chance of developing breast cancer is greatly increased in someone who has inherited an altered brca1 or brca2 gene. what role does environmental risk play into whether or not this person actually develops breast cancer?

Environmental risk can greatly influence if a person actually gets breast cancer or not. Some factors which determine if BC will develop are as follow: poor diet, being overweight, and having gone through menopause along some others but generally being unhealthy is among the major factors of environmental risks.

Explanation:

Poor Diet: A diet high in saturated fat and lacking fruits and vegetables can increase your risk for breast cancer. Being Overweight or Obese: Being overweight or obese can increase your risk for breast cancer. Your risk is increased if you have already gone through menopause.

(Credit: nationalbreastcancer.org)

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