Study tries to prove hormone therapy causes breast cancer

May 24, 2010 12:00:00 AM PDT
A new study attempts to offer proof that hormone therapy is to blame for Marin County's highest in the nation breast cancer rates.

ABC7's media partners, The Marin Independent Journal, have posted results from the "Marin Women's Study." It showed a sharp reduction in the use of combined estrogen and progesterone therapy was followed by a significant drop in breast cancer rates. Researchers found use of hormone therapy in Marin County declined from 21 percent in 1998, to just under 7 percent in 2007. Breast cancer rates fell more than 33 percent between 2001 and 2004, but since that time have shot back up again.


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