No doubt there is a medical issue involved.  I disagree on the treatment and solutions offered by liberal society. Their solution to the disorder is for everyone else to go a long with the gag and enable the person's delusion.  

For example, in the case of someone who is clearly a man, but thinks they are a women--liberals tell us that we have to play along with their mental delusion.  Doctors change their appearance to make the  man look more feminine.  The law gives them a paper that claims what is clearly a man is not legally considered a women.  That is what I disagree with. You don't treat what is clearly a mental disorder by trying to alter objective reality and force it to conform to a mental delusion.