I. Insomnia can be caused by a variety of conditions including: change, stress, physical pain, trauma, illness, and emotions, PTSD, death of a loved one, or recurrent thoughts.

失眠是由许多原因导致的，包括：变化、压力、身体疼痛、精神创伤、疾病、情绪、心理混乱、失去心爱的人或者周期性的思考等。

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Cognitive behavioral therapy helps people with bipolar disorder learn to change inappropriate or negative thought patterns and behaviors associated with the illness.

认知行为疗法帮助患者学会改变不恰当的或负面的思考方式以及那些与疾病有关的行为。

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Monitoring of viruses from multiple outbreaks has detected no evidence of change in the ability of the virus to spread or to cause severe illness.

通过对多次暴发中的病毒进行监测，尚未发现证据表明，该病毒的传播力或导致严重病症的能力发生了变化。

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For the last 200 years, neither overfishing, illness or climate change stopped the oyster industry in the Gulf of Mexico.

VOA: standard.2010.07.13

The actress says she hopes "Pax" can change the public's image of mental illness,including PTSD.

VOA: standard.2010.05.18

With the expectation that the burden from mental illness is going up and will continue to increase in coming years, Dr Saxena says societal attitudes towards mental illness need to change.

BBC: Depression looms as global crisis

These figures, however, do not take into account the number of teachers leaving the profession for a variety of reasons such as retirement, illness, or career change.

UNESCO: Education

Late in his illness, Mr Kennedy requested a change in the law so that the (Democratic) governor, Deval Patrick, could quickly name his replacement.

ECONOMIST: Edward Kennedy