The American Psychoanalytic Association described the controversial practice as going “against fundamental principles of psychoanalytic treatment,” which “often result in substantial psychological pain by reinforcing damaging internalized attitudes.”

In his Monday statement, Hancock recalled when his brother came out as gay to his family and was met with love and support.

“All our LGBTQ+ youth here in Denver deserve the same, and they should be proud of who they are,” he added. “We celebrate who they are, and they should feel welcome and that our city is open to them. Their safety, well-being and happiness are our highest priority with this proposal.”

Colorado lawmakers have previously tried to ban conversion therapy throughout the state, but the proposed legislation has failed four times, according to CBS.

Fourteen states, in addition to Washington, D.C., have banned conversion therapy for LGBTQ youth. Other states that have outlawed conversion therapy for minors include New Jersey, Rhode Island, New Mexico, Washington and Hawaii.