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Age of First Menstruation Linked to Heart Disease in Women

Most women begin their menstrual cycles at around the age of 13. A new study suggested that those who start menstruating a few years before or after that average appear to be at increased risk of heart disease and stroke. The study by researchers at Oxford University in Britain analyzed data collected from 1.3 million mostly white women - ages 50 to 64. They noticed a pattern among women who had their first menstrual cycle at age ten or younger, or 17 or older. During the more than 10...

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