Left-handed women beware
September 27, 2005News & Politics
P.S.: The cancer organizations quoted in the same BBC article are skeptical about the correlation. So don't worry, be happy etc.
And to think I worked so hard to quit smoking:
A Dutch team found left-handed women were more than twice as likely to develop premenopausal breast cancer as non-left handed women. The researchers believe the key may be that left-handers are exposed to greater levels of sex hormones testosterone in the womb.
The study is published online by the British Medical Journal. The researchers, from the University Medical Center Utrecht, examined over 12,000 middle aged women born between 1932 and 1941.
Previous research has suggested that exposure to high levels of sex hormones before birth may induce left-handedness. [LINK via Feministing]Moral of the story: testosterone can kill you.
P.S.: The cancer organizations quoted in the same BBC article are skeptical about the correlation. So don't worry, be happy etc.