Dr. Arif Kamal, chief patient officer for the American Cancer Society, says there have been great strides in breast cancer awareness over the last 40 years, with mortality rates dropping by 40% as a result of earlier detection.

But there are still plenty of things people don't know when it comes to monitoring their own risk.

Stream Los Angeles News for free, 24/7, wherever you are. WATCH HERE

Here's what to know:

Know your own risk

In the United States, 1 in 8 women, about 12%, will develop breast cancer in their lifetime. But this number can rise to 20% based on an individual's health and family history.

Risk factors:

Family history: Of people diagnosed with breast cancer, 1 in 10 have a family history. This can be a history of breast cancer, but can also be ovarian, endometria

See Full Page