VOA慢速英语 新的研究与"抑郁基因"发现之间的争议
New Study Disputes 'Depression Gene' Finding
新的研究与"抑郁基因"发现之间的争议
This is the VOA Special English Health Report.
We all know that some people do not seem as emotionally strong as others when life gets difficult. But why is that? A study published in two thousand three in the journal Science offered an answer.
The study followed almost eight hundred fifty people from birth through age twenty-six. Researchers found that those with a short version of a certain gene were more likely to get depressed after a sad or difficult experience.
They found that people with the normal length of the gene were better able to weather life's storms. The gene is a transporter of serotonin, a brain chemical involved with mood and desire for food.
The two thousand three study captured attention among mental health professionals, and popular culture. In fact, Science magazine recognized the discovery of "genes for mental illness" as the number two "Breakthrough of the Year." The winner was observations about mysteries of the universe.
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