People of color are more likely to work irregular and prolonged hours, contributing to long-term health issues, according to a new study by Wen-Jui Han, a professor at NYU Silver School of Social Work. Even among Black professionals and other minorities in office jobs, Han tells Fortune, there’s a pressure to work longer hours to succeed. Long, irregular work hours Han’s study utilized data from the 1979 National Longitudinal Survey of Youth, which tracked over 7,000 U.S. workers from age 22 to 50. She found that employees, especially people of color,