The effect of high school sports participation on the use of performance-enhancing substances in young adulthood.

Purpose: The present study examined the relationship between high school sports participation and the use of anabolic steroids (AS) and legal performance-enhancing dietary supplements in young adulthood. Additionally, the relationship between the use of AS and legal dietary supplements was explored.

Methods: Data on approximately 15,000 adolescents from the National Longitudinal Study of Adolescent Health were used.