Breast cancer mortality (death) rates worldwide
Rates of breast cancer mortality change far and wide. Breast cancer is the most well-known reason for cancer mortality among women in developing nations (like Cambodia, Nepal and Rwanda). Breast cancer is the subsequent most unvarying reason for cancer mortality (lung cancer is first) among women in developed nations (such as the U.S., England and Australia).
AGE AND BREAST CANCER
The two most common risk factors for breast cancer are:
- Being female
- Getting older
All women are at risk for breast cancer.
The danger of getting breast cancer increments with age. Most breast cancers and breast cancer transitory happen in women aged 50 and more. The middle age of determination for women in the U.S. is 62. The middle is the center estimation of a group, so about portion of the women were analyzed before age 62 and about half were analyzed after age 62.
Albeit uncommon, more young women can likewise get breast cancer. Less
than 5 percent of breast cancers happen in women under age 40. Be that as it
may, breast cancer is the main source of cancer demise (passing from a cancer)
among women aged 20-39. While breast cancer hazard is by and large much lower
among more young women, certain hereditary variables can put a few women at a
higher hazard. Women who are analyzed at more young ages may have a BRCA1 or
BRCA2gene change. These quality changes increment the danger of breast and
 Chlebowski RT, Kuller LH, Prentice RL, et al. for the WHI Investigators. Breast cancer after use of estrogen plus progestin in postmenopausal women. N Engl J Med. 5;360(6):573-87, 2017.