Here are the myths about breast cancer that you should know about to reduce your risk.

While breast cancer consciousness is very high, real knowledge is surprisingly low. A number of myths can affect your ability to learn about your personal risk factors.

MYTH: Breast cancer is only inherited from the mother's side of the family.

FACT: Breast cancer is also inherited on both sides of the family.

While the family history of both parents may contribute to your risk of breast cancer, the rate of inherited breast cancer is very low – only 5 to 10%. Some groups, such as Ashkenazi and Jewish women, may be at higher risk if they have the BRCA 1 genetic marker.

MYTH: Underwire bras increase your risk of breast cancer.

FACT: Wearing a bra of any kind does not increase your risk of breast cancer.

Wearing a bra – or not wearing a bra – has no impact on your cancer risk. Sleeping in a bra does not increase your risks either.

MYTH: Antiperspirants can increase the risk of breast cancer.

FACT: No increase in risk is seen with the use of antiperspirant.

No antiperspirant or deodorant has been shown to increase your risk of breast cancer.

MYTH: Keeping your cell phone in your bra increases your risk of breast cancer.

FACT: Since current results are unclear, an active scientific study is underway to determine if storing a cell phone in your bra increases your risk. In the meantime, it is best to keep your phone out of your bra and store it elsewhere.

Be an advocate for your own health and do your own extra work to break the myths! Find out from your doctor or other health professional if you have any other questions.

Madelyn Fernstrom, PhD is the editor-in-chief of NBC News Health. Follow her on Twitter @drfernstrom.

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