What follows is a link to the Brief of Amicus Curiae, Dr. Paul R. McHugh, M.D., Professor of Psychiatry, in which he presents an excellent medical discussion of the dangers of the gender identity movement and its ideological actions that go contrary to medical science and common sense. 

https://www.supremecourt.gov/DocketPDF/18/18-107/113262/20190822151939369_TO%20PRINT%2019-8-22%20Dr.%20Paul%20McHugh%20Amicus%20Brief%20FINAL.pdf