[<< wikibooks] English-Hanzi/Common mental illnesses include depression (affecting about 300 million people)
Common mental illnesses include depression (affecting about 300 million people), bipolar disorder (affecting about 60 million people), dementia (affecting about 50 million people), schizophrenia and other mental illnesses, affecting about 23 million people.
常见的精神疾病包括抑郁症(影响约3亿人),躁郁症(影响约6000万人),痴呆症(影响约5000万人),精神分裂症和其他精神疾病,影响约2300万人。