Smoking cigarettes tied to breast cancer

Smoking cigarettes tied to breast cancer

Reuters: Young women who smoke may have an increased risk of a common type of breast cancer.

Researchers found that women between 20 and 44 years old who had smoked a pack of cigarettes per day for at least 10 years were 60 percent more likely than those who smoked less to develop so-called estrogen receptor-positive breast cancer.

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