The cost of menstrual products keeps scores of girls out of school during their periods. 1 in 10 girls in sub-Saharan Africa miss class—sometimes dozens of days—as a result. Many rely on homemade pads made of rags, which can cause infection. But since 2009, from small…

Having more than one child, early onset of menstruation, and/or late onset of menopause are all associated with a lower risk of Alzheimer's, research reported at the Alzheimer's Association International Conference in Chicago indicates.