Teens whose parents pack them off to bed at 10 p. m. are less apt to become depressed or have suicidal thoughts than their peers who stay up much later, recent research shows.

最近的研究表明，父母们在晚上10点钟就打发睡觉的年轻人们和他们的同龄人相比，较不易于有抑郁或自杀想法的倾向。

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The researchers exposed mouse bone marrow cells to different concentrations of 1,4-BQ and found it induced cytotoxicity that leads to suicidal cell death, or apoptosis.

研究人员让小鼠中的这些骨髓细胞接触不同浓度的1，4-BQ，结果发现它诱导细胞毒性，从而导致自杀性细胞死亡，或者说细胞凋亡。

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Nearly a quarter of remand prisoners reported feeling depressed or suicidal when they arrived but the report said they had problems accessing welfare services.

BBC: Prison cell at Wormwood Scrubs

The inner workings of the brain are so opaque that "we don't even have good theories for what might be going on" when people become hopeless or suicidal, Deisseroth says.

FORBES: Magazine Article

Side effect information takes up 41 seconds of the advertisement, with about 20 seconds devoted to a warning that patients taking Chantix should stop taking it if they experience agitation, suicidal thoughts or suicidal behavior.

FORBES: Magazine Article