Study: Estrogen treatment may protect against breast cancer

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Technician looks at mammogram

DENVER — Estrogen, a hormone known to fuel breast cancer, may actually protect against the disease.

According to a new study women taking Hormone Replacement Therapy (HRT) are more than 20-percent less likely to develop breast cancer and had a reduced risk of dying from the disease.

More than 7,600 women taking HRT were studied. Women who took estrogen-only for six years and then stopped taking the hormone showed the reduced risk.

The new study, published in the journal Lancet Oncology, provides the strongest evidence yet that estrogen alone not only lowers breast cancer risk for a sustained time for some women but curbs the chances of dying from the disease.

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