What causes cancer on your breast? Well, this discussion becomes the hot topic today. As we know that there are a lot of patients of this cancer especially for women. There are also some male patients who get this cancer. There is 22.9 % invasive cancer for women in the world. Then, for the death risk, it reaches about 18.2 % of those patients.
This cancer attacks women on higher rates. It is also developed significantly. There are several factors for that. For example, we can find unhealthy lifestyles and bad food habits of women. Well, according to the National Cancer Institute, there are 232,340 females and 2,240 males in USA who got breast cancer. There are also 39,620 death cases that are caused by this cancer.
So, do you want to know about some causes of this cancer? If you want to know about them, you can keep reading below. Here is the discussion about what causes cancer on your breast.

Age and Genetic Factor
First of all, we can discuss about age. It is related to the women who are getting older. The more they are getting older, the higher risk they can get. They will get developing breast cancer significantly. For your information, over 80% of female breast cancer patients are up to 50+ ages.
The second is genetic factor. This cancer can happen to a woman who has close relative to the family with breast cancer too. If there are two families develop this cancer, they can share cancer gen. It is because breast cancer is the relative common cancer.

Having History of Breast Cancer and Obesity
The next causes of this cancer are breast cancer history and obesity. All women who have had breast cancer may get the same cancer on higher level even if they only got non-invasive type. Well, they will get higher risk than women without past breast cancer.
Then, this cancer can be also caused by obesity. There are some people with obesity or overweight problem may get higher risk of developing cancer in breast. How can it happen? Some experts say that obese women will produce higher estrogen that can be the main cause of this cancer.
In other hand, breast cancer can be also happened for women who get periods earlier. In this case, they will get estrogen exposure when getting period. So, finally those are all some discussions about breast cancer: what causes cancer.

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