Nevertheless, analysis or interpretation of letters, journals, artwork, writings, or statements of family and friends of some historical personalities has led to the presumption that they may have had some form of depression.
尽管如此，通过分析或解释他们的信件、日记、画作、著作或者他们亲友的陈述，可以发现一些历史人物可能患有某种形式的抑郁症。