Neurasthenia is a light mental illness, schizophrenia is a severe mental illness, their etiology, clinical presentation, prognosis and outcome is different.

神经衰弱属轻型精神病，精神分裂症属重型精神病，它们的病因，临床表现，预后和转归都不一样。

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He is worried that the boxes may be tried by patients who suffer from mental illness that can't be treated with light.

他担心这些盒子可能会被那些无法用光治疗的精神疾病患者试用。

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Marketers have turned to the new field for insight (see: " In Search Of The Buy Button"), and such experiments could even shed light on mental illness.

FORBES: Magazine Article

He and 42 fellow researchers are pioneering a radical technology to shine a bright light on the cellular causes of mental illness.

FORBES: Magazine Article

Still, the results are expected to shed light on the sometimes subtle differences in effectiveness and side effects among various treatments for schizophrenia, a disabling mental illness marked by hallucinations, delusions and numbed emotions.

FORBES: A Sea Change For Schizophrenia Treatment?