Most American teenagers are sleep deprived: Fewer than one in four U.S. high school students gets the recommended eight hours of sleep per night.1 Researchers who study the relationship between sleep and depression are unanimous: Adequate sleep could greatly improve many U.S. teenagers’ mental health. “Perpetually fatigued adolescents look and feel depressed,” says Rachel Widome…

In the United States, Black-white disparities in maternal mortality—deaths related to pregnancy or childbirth—may be larger than previously reported, new research shows. Closing the gap involves addressing structural racism—that is, those aspects of social, political, economic, and health care systems that reinforce inequity, researchers say. Because pregnancy is riskier to women’s health than abortion, state…