Interesting. LLMs sometimes hallucinate. I think you might be hallucinating that altitude has a protective effect on suicide.
“Increased elevation has been known to have a protective relationship with certain medical illnesses. For example, people who live at higher altitudes are somewhat less likely to die from coronary artery disease or stroke. But increased elevation may also enhance psychological problems […]”
https://theconversation.com/the-curious-relationship-between-altitude-and-suicide-85716