Bed Bug Histamines Are Substantial, Persistent in Infested Homes (image) North Carolina State University Share Print E-Mail Caption Bed bugs emit substantial and persistent amounts of histamine in infested homes. Credit Photo courtesy of Matt Bertone, NC State University. Usage Restrictions None Share Print E-Mail 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.