Suicide

A beginning explanation of the male preponderance:
Taking risks and taking his own life when taking risks is no longer possible or useful.

XY is a dangerous genetic combination

https://www.persee.fr/doc/pop_0032-4663_1995_num_50_4_6024

https://apps.who.int/iris/bitstream/handle/10665/131801/9789242564778_fre.pdf;jsessionid=60B59412F59A1DFD7E652811198E6101?sequence=1

Average classes are at higher risk

The underlying process is poorly known with however more severe symptoms of psychosis in men.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4312997/

10.1038/s41386-018-0111-z