There’s a new reason to install circadian lighting: weight management. Teruel and colleagues determined that “Disruption of the circadian clocks that keep the body and its cells entrained to the 24-hour day-night cycle plays a critical role in weight gain. . . factors that throw the body’s ‘clocks’ out of rhythm may contribute to weight gain.” “Circadian Clocks Play a Key Role in Fat Cell Growth.” 2022. Press release, Weill Cornell Medicine, https://news.weill.cornell.edu/news/2022/08/circadian-clocks-play-a-key-role-in-fat-cell-growth