Vervet Monkeys Social Grooming (IMAGE) Purdue University Caption Social grooming plays an important role in vervet monkey society, helping concrete social bonds and increase an animal's chances of reproduction. However, anthropologist Brandi Wren's research reveals that monkeys suffering from certain gastrointestinal parasites may not participate in grooming as much as infection-free monkeys. Credit Purdue University photo/Brandi Wren 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.