Came across this article on CNN - these are the 4 main points - check out the full story for the details/explanations.

Surprise finding #1: 63% of women think family history is the biggest breast cancer risk factor.

What you should know: The vast majority of women with breast cancer have no family history.

Surprise finding #2: 40% of women say breast cancer is the cancer they worry about most.

What you should know: Breast cancer is very treatable when caught early.

 Surprise finding #3: 39% of women say the most important way to catch breast cancer early is by doing a formal monthly breast self-exam (BSE). In other words, you think it is more crucial than mammograms.

What you should know: Mammograms are most important, 73% of docs say.

Surprise finding #4: 4% of women say weight has the "biggest effect" on breast cancer risk.

What you should know: Being heavy increases your risk a whole lot — by as much as 40%.