Pennington Biomedical's Small Shifts (IMAGE) Pennington Biomedical Research Center Caption Small shifts, such as choosing a piece of fruit over a sugary treat or taking a 10-minute walk after work rather than dropping onto the couch can have a lasting impact on health over time. Credit Allyson Smith, PBRC Usage Restrictions None License Original 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.