Seattle 500 Study

The Seattle 500 Study is a University of Washington study that tracks individuals from birth.{{cite web|last1=Seven|first1=Richard|title=Study on aging still going strong some 50 years later|url=https://www.seattletimes.com/seattle-news/health/study-on-aging-still-going-strong-some-50-years-later/|website=The Seattle Times|date=24 November 2008}} It is a longitudinal prospective study of the effects of prenatal health habits on human development. Beginning in 1974, this study has continuously followed a birth cohort of approximately 500 offspring. Current data collection is aimed at studying the development of mental health problems and problems of alcohol/drug abuse and dependence and their pre and post-natal antecedents.

The data which Seattle 500 collects is the basis of other research.{{cite journal|last1=Schaie|first1=K. Warner|last2=Willis|first2=Sherry L.|last3=Caskie|first3=Grace I.L.|title=The Seattle Longitudinal Study: Relationship Between Personality and Cognition|journal=Aging, Neuropsychology, and Cognition|date=June 2004|volume=11|issue=2–3|pages=304–324|doi=10.1080/13825580490511134|pmc=1474018|pmid=16755303}}