专家预测，到２０２０年，忧郁症将成为仅次于癌症的人类第二杀手。在美国有１８００万人常受忧郁症折磨，每年因此丧失工作或进行治疗的费用高达４００亿美元。专家们了解到，在现代社会的紧张节奏中，孩子们不再天真烂漫。有一半以上成年人经历第一次忧郁时往往在２０岁... Experts predict that by 2020, depression will become the second killer of human beings after cancer. In the United States, 18 million people are often afflicted with depression and spend as much as 40 billion U.S. dollars each year on losing their job or treatment. Experts have learned that in the tense pace of modern society, children are no longer naive. More than half of adults tend to be 20 years old when they experience the first depression ...