For my research project I have been researching why the mortality rate for breast cancer has lowered so much. From 1975-2010, the mortality of breast cancer declined from 32 per 100,000 per year to 21 per 100,000 per year. Now, in 2017, the mortality rate is expected to drop even more. To clarify, since 1991, deaths due to breast cancer have decreased 25%, meaning 2.1 million fewer people died from breast cancer.
After doing some research on gale, I found that the cure rate is higher than ever at around 90%. There have been many recent improvements in diagnosing breast cancer and treating it. Of course, it is still a potentially lethal disease, researchers are doing better than ever before with all different subtypes of breast cancer. Now, they can look at a woman and her individual tumor and try to customize and personalize treatments for her particular case.
However, it is said that the decline in breast cancer mortality is not likely due to advances in prevention and screening, it is most likely due to the drastic improvements in treatments. It is also said that there is a possibility that the breast cancers themselves are changing as a consequence of evolving changing patterns.