Completed In-Person Studies

You and your twin may have participated in one of the following studies. These studies have been completed, and data are being analyzed. As results become available, we will post the information here. Thank you to all our twins who participated in these studies!

Heritability of Innate Immune Inflammatory Responses (Immune)
July 2004 – November 2007

HSV Pilot
December 2004 – August 2005

Gut Bacteria in Inflammation and Obesity
June 2006 – February 2007

An Interdisciplinary Study of Eating Behavior in Twins (Taste)
May 2007 – May 2010

Twin Study of Chronic Widespread Pain (CWP)
March 2007 – June 2010

Personality, Stress and Cold Sores: A Twin Study
March 2009 – March 2012

Sleep Duration and Metabolism in Twins
July 2010 – December 2011

Multilevel Pain Phenotyping (SIP2)
August 2010 – March 2012

Multidisciplinary Approach to the Study of Chronic Pelvic Pain (MAPP)
June 2011 – June 2014