A person can inherit a tendency toward a mental disorder.
Borderline personality disorder is another way to say anxiety, basically. It is a mental health disorder that causes emotional instability. It is often diagnosed by a psychiatrist.
Mental? Yes. Disorder? Sounds like a strong term. How about "condition".
Pseudomania
The official word on Shipman, by the psychiatrists who examined him before his trial, labeled him as a narcissist. But that's not a mental disorder it's a personality disorder, which is completely different.
Mental disorder is a mental or bodily condition marked primarily by sufficient disorganization of personality, mind, and emotions to seriously impair the normal psychological functioning of the individual.
OCD
depressionchronic drug using
A brain disorder ; chemical imbalance
Helicopteritus
Munchausen by proxy
There are so many . . . I can think of bipolar disorder, depression, disassociation disorder, panic disorder, personality disorder, asocial disorder among the many.
Mental disturbance is milder (insomnia due to stress). Mental disorder is more severe (anxiety disorder). Mental disease is severest (schizophrenia). The line of treatment, the prognosis differs.
Borderline personality disorder is another way to say anxiety, basically. It is a mental health disorder that causes emotional instability. It is often diagnosed by a psychiatrist.
Burning things is only a mental disorder if it is a compulsion. That is called pyromania. Very often, pyromania is a precursor to psychopathy and antisocial behaviors in general.
Anorexia nervosa is indeed a mental disorder.
Borderline personality disorder is another way to say anxiety, basically. It is a mental health disorder that causes emotional instability. It is often diagnosed by a psychiatrist.
Doctors think that bipolar disorder is caused by stress. Others believe that it's a mental illness that you can treat with medicine.