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Byline: Robyn Suriano
ORLANDO, Fla. _ Cathy Rentsch has been taking estrogen every day for 25 years, and she has no intention of stopping anytime soon.
Sure, she's heard about the concerns surrounding the hormone, which just this week was added to the federal government's list of known human carcinogens. But with all the things that might cause cancer in the world, Rentsch figures the small risk is easily overwhelmed by the benefit.
"I just don't worry about it at all, not at all," said Rentsch, 50, a licensed practical nurse who works in an Orlando, Fla., gynecology/obstetrics practice. "I can't imagine going without it, and I hope that other women won't be scared" unnecessarily.
But the latest wrinkle is likely to create more confusion over the hormone, which is widely used in birth control pills and hormone replacement therapy for women dealing with the symptoms of menopause.
The National Institute of Environmental Health Sciences put these estrogen compounds on its 200-plus list of cancer-causing agents, along with 14 other additions, including wood dust and broad-spectrum ultraviolet radiation.
NIEHS officials say the hormone carries an increased risk of uterine and breast cancers. This comes as no surprise to doctors, who say the official classification of estrogen as a carcinogen is not going to force changes in how they prescribe the medication.