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1 .This is Scientific American 60-Second Mind, I'm Christie Nicholson. Got a minute?
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2 .Last spring, Angelina Jolie revealed that she'd had a preventive double mastectomy.
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3 .And the announce was intended to increase awareness.
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4 .But a study finds the public's understanding of breast cancer remains shallow and often inaccurate.
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5 .Researchers surveyed more than 2,500 men and women and found that a whopping three out of four knew Jolie's story.
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6 .But less than 10 percent could correctly answer questions about the BRCA gene mutation that Jolie carries.
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7 .The survey is in the journal Genetics in Medicine.
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8 .Women with mutations in either BRCA1 and BRCA2 have a five-fold increased risk of breast cancer compared with other women.
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9 .But many did not know that these mutations are rare: far less than one percent of women have them.
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10 .Most people also don't know that the BRCA mutations are only linked to five to 10 percent of all breast cancer cases.
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11 .And in terms of absolute numbers, many more women with no family history of the disease get diagnosed with breast cancer than do those with a history of breast cancer in the family.
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12 .So kudos to Jolie for sharing her story.
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13 .But doctors, media and patients still need to do a better job with the whole breast cancer story.
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14 .Thanks for the minute, for Scientific American 60-Second Mind. I'm Christie Nicholson.
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