Birth control, brain tumors may be linked

January 25, 2015 6:54 AM

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1:49 a.m. Sunday, Jan. 25, 2015 | Filed in: Health

Women younger than 50 with glioma "were 90 percent more likely to have been using hormonal contraceptives for five years or more, compared with women from the general population with no history of brain tumor," Dr. David Gaist, the lead researcher, told CBS News.

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