Smartphone use hurts teens sleep patterns   •   Americans increasingly view stress as normal   •   U.S. Women’s Caregiving Gap With Men Widens   •   Post-hip surgery UTI risk higher for women using topical estrogen   •   Scientists discover new form of depression   •   Smartphone use hurts teens sleep patterns   •   Americans increasingly view stress as normal   •   U.S. Women’s Caregiving Gap With Men Widens   •   Post-hip surgery UTI risk higher for women using topical estrogen   •   Scientists discover new form of depression   •