May Disease is a common kind of minor depression in Japan.

“五月病”是日本常见的一种轻微抑郁症。

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Another study is looking at the effectiveness of St. John's wort for treating mild or minor depression.

另一项研究正研究圣约翰草对治疗中到轻度抑郁的有效性。

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Teenagers who have minor depression are at a higher risk of mental health problems later in life, a study says.

一线调查称，有轻度抑郁症的青少年在以后的生活中患心理健康问题的危险很大。

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The researchers defined minor depression as milder than clinical depression but lasting at least two weeks and including symptoms such as feeling down, losing interest in activities, sleeping problems and poor concentration.

BBC: Depressed teens 'face adult risk'

The reality is that for many illnesses, including not only pain but also minor depression, irritable bowel syndrome, or nausea, the placebos given to patients in clinical trials are pretty fantastic treatments that anybody would choose to take in a heartbeat.

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Study leader Dr Jeffrey Johnson said more research was needed to see if depression problems in teenagers were an early phase of major depressive disorder or if minor depression earlier in life contributed to the development of more serious problems later on.

BBC: Depressed teens 'face adult risk'