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Scientists have demonstrated that where you live -- and specifically the traffic outside your front door -- affects the quality of the air inside your home.

Mothers-to-be with more than 12 years of education were far more accurate than less educated women at predicting their baby's sex. Gender predictions based on dreams or feelings were the most accurate.

Women who live in poor rural areas of Africa can potentially benefit from the self-collection of vaginal samples to screen for humanpapilloma viruses (HPV's) that cause cervical cancer. In the past, many of these women were not screened.

The Johns Hopkins School of Public Health today announced the launch of a website designed to collect injury data directly from thousands of skiers and snowboarders worldwide who have been injured on the slopes--the first study of its kind.