The organization requires a lot, but gives back so little, in support, encouragement and understanding, it's an all or nothing mind set, not a healthy way to live. The practice of shunning individuals who transgress is especially problematic, it can be devastating to lose all your family and friends. They don't especially approve of mental health care, and look down on those who slow down on meeting attendance and field service for whatever reason. They hide and cover up child sex abuse and elders have little education or training in counseling or mental health.
I do know of many suicides over the 30 years I was associated, but it sometimes surprises me that there weren't more, it's a religion that shoots their wounded.