New Brigham Young University research finds that people in happy marriages live less “in sickness” but enjoy more of life “in health.” In a 20-year longitudinal study tracking health and marriage quality, BYU family life researcher Rick Miller found that as the quality of marriage holds up over the years, physical health holds up too. “There’s evidence from previous research that marital conflict leads to poor health,” Miller said. “But this study also shows happy marriages have a preventative component that keeps you in good health over the years.” Read more.