文档介绍：HOT ISSUES Made by Student number 14~26 of class K0811410 Study Finds Light Color Affects Mood 研究发现光线颜色会影响情绪? Some colors that people see late at night could cause signs of the condition mental health experts( 精神卫生专家) call clinical depression( 临床抑郁症) . That was the finding of a study that builds on earlier study findings. They show that individuals who live or work in low levels of light overnight can develop clinical depression. ? Doctors use the words clinical depression to describe severe form of depression. Signs may include loss of interest or pleasure in most activities, low energy levels and thoughts of death or suicide. ? In the new study, American investigators designed an experiment that exposed hamsters( 仓鼠) to different colors. The researchers chose hamsters because they are nocturnal( 夜间的), which means they sleep during the day and are active at night. ? The animals were separated into 4 groups. One group of hamsters was kept in the dark during their nighttime period. Another group was placed in blue light, a third group slept in ( * ) white light. While a fourth was put in red light. 这些仓鼠被分为 4组。一组仓鼠在它们意义上的夜间时段被放置在黑暗中。另一组放在蓝光下,第三组睡在白光下。而第四组放在红光下。? After four weeks, the researchers noted how much sugary water the hamsters drank. They found that the more depressed animals drank the least amount of water. 四个星期之后,研究人员留意了仓鼠喝了多少糖水。他们发现,仓鼠抑郁越严重喝水越少。? Randy N