The inverted U-shaped relationship between weight loss percentage and cardiovascular health scores.

"Declarations Ethics approval and consent to participateThe National Center for Health Statistics (NCHS) Ethics Review Board and the Centers for Disease Control and Prevention (CDC) both gave their approval to the survey protocol (Protocol #2005-06, Continuation of Protocol #2005-06, Protocol #2011-17, Continuation of Protocol #2011-17), and this study was conducted in accordance with the Declaration of Helsinki (as revised in 2013). All participants gave written informed consent. Consent for publicationInformed consent for publication was obtained from all individual participants included in the study. Competing interestsThe authors declare that they have no competing interests. Competing interests The authors declare that they have no competing interests."

"Funding No funding was received for conducting this study."