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NEWS: Higher Risk Of Breast Cancer For Left Handers

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posted on Sep, 25 2005 @ 06:27 PM
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With more than one million women diagnosed with breast cancer each year, scientists have released a report that states women are over twice as likely to contract breast cancer before menopause if they are left handed. Cuno Uiterwaal, an assistant professor at the University Medical Centre in Utrecht in the Netherlands and a team of researchers studied 12000 healthy women born between 1932 and 1941 and found "Left handedness is associated with breast cancer, most specifically pre-menopausal breast cancer,".
 



www.news.com.au
EFT-HANDED women are more than twice as likely as right-handers to suffer from breast cancer before reaching menopause, Dutch scientists said today.
More than a million women are diagnosed with breast cancer worldwide each year. Three-quarters of cases occur after menopause, which usually begins around the age of 50.

"If we take pre-menopausal and post-menopausal breast cancer then there was a 40 per cent increased risk," Professor Uiterwaal said of left-handed women.

But when they spilt it further the scientists found most of the excess risk was in breast cancer before the menopause.

"We found that left-handed women are more than twice as likely to develop pre-menopausal breast cancer as non-left handed women," the researchers said in the report published online by the British Medical Journal.

"Although the underlying mechanisms remain elusive, our results support the hypothesis that left handedness is related to increased risk of breast cancer," the researchers added.


Please visit the link provided for the complete story.


I would not have thought that hand preference would have much to do with the incident of Breast cancer, so this study surprised me. I don't know whether there is another underlying reason for the breast cancer that is also linked to left handers but it doesn't seem right to say, oh well you have breast cancer because you are left handed.

I would like to see more testing done and different methods applied before this statement and report is taken as gospel

I personally am left handed and haven't reached menopause but I am not going to start getting worried over this report as there are many many many right handed women suffering the same fate of breat cancer before menopause.




posted on Sep, 25 2005 @ 06:33 PM
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"Although the underlying mechanisms remain elusive,"

with no cause and effect, you might as well say women whose name starts with M and who like baseball more than football are more likley or whatever.



posted on Sep, 26 2005 @ 04:27 AM
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Greeeat.

I'm nulliparous, underwent puberty at 9, have a mother who had breast cancer twice (one was pre-menopausal), had a hysterectomy at 28, suffered with unopposed estrogen for years...and I'm left-handed.

Mayet, thanks for posting this - though it's true that there's no real causality yet, it's interesting nonetheless


Please take this "test" only as a rough indicator

According to this, I have a 22.9% chance of developing BC during my lifetime. Then again, I already know my risk factors and I'm working on reducing at least those I can control.



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