yes
The urge to commit suicide is a symptom of a mental or emotional disorder, so it is reasonable to say that 100% of children who commit suicide have a disorder or very serious depression (which is a disorder.)
Depression, bipolar disorder, and schizophrenia
Suicide is the act of intentionally causing one's own death. Suicide is often committed out of despair, the cause of which is frequently attributed to a mental disorder such as depression, bipolar disorder, schizophrenia, alcoholism, or drug abuse.
D.i.d
A suicide attempt is a clear indication that something is gravely wrong in a person's life. No matter the race or age of the person; how rich or poor they are, it is true that most people who commit suicide have a mental or emotional disorder. The most common underlying disorder is depression, 30% to 70% of suicide victims suffer from major depression or bipolar (manicdepressive) disorder.
Anorexia nervosa is indeed a mental disorder.
Liberalism Is a Mental Disorder has 221 pages.
It definitely could be a mental disorder or simply a matter in which one needs to talk to someone close to them or a professional to figure out why one would be willing to hurt themselves. It could lead to something more severe such as suicide or maybe even lead to hurting others.
A mental disorder is defined by psychological symptoms some of which are called psychopathological phenomena.
Mental Suicide - 1913 was released on: USA: 27 July 1913
An addiction disorder
Do you mean "mental" disorder?