Fact or artefact? Childhood adversity and adulthood trauma in the U.S. population-based Health and Retirement Study

: Retrospective self-reported CA and AT in older samples should be interpreted with caution and with regard to major methodological challenges, including recall and selection biases. Untangling fact from artefact and examining age, period, and cohort effects will help elucidate profiles of lifetime exposures in older populations.