Hui Liu, Michigan State University (IMAGE) Michigan State University Caption A study led by Michigan State University sociologist Hui Liu contends nonstandard work shifts are harmful to the well-being of cohabiting parents -- a fast-growing segment of the population. Credit Michigan State University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.