Here are three resources on the issue of trans youth athletes:

Physicians say transgender sports bans are a health issue [article]

The bans may have consequences for the health of trans youth, according to a new perspective by a group of pediatric sports medicine physicians and health services researchers published in JAMA Pediatrics. “A large body of research has demonstrated that physically active youths have improved mental health outcomes, greater self-esteem and social supports, increased school retention rates, and lower risks for chronic disease and teenage pregnancy,” the authors write, noting their concern that the bans could contribute to “lasting deterioration of the physical and mental health of this at-risk population.”

The Teenage Athlete at the Heart of America’s Culture War… Isn’t Very Good at Sports 

New research paints a more complex picture of transgender sports advantage [article]

Since 2019, [Joanna] Harper has been based at Loughborough University in the U.K. as part of a project using science and research to aid policy making. The university’s latest research, published recently in the British Journal of Sports Medicine, looks at how the protein in our red blood cells that helps oxygen flow to our muscles for aerobic activity is affected by hormone replacement therapy. […] Loughborough University’s findings show the hemoglobin level in transgender women falls to levels in line with cisgender women in the space of three to four months on average.