内容：Addiction to electronic games has for the first time being officially recognized as a mental health condition by the World Health Organization. 游戏成瘾第一次被世界卫生组织正式认定为一种精神疾病。
笔记：
1. addiction [ə'dɪkʃ(ə)n名词：上瘾（addict有瘾的人\动词：沉迷）
2. diagnosis [,daɪəg'nəʊsɪs]名词：诊断；diagnose ['daɪəgnəʊz;动词：诊断
3. warrant根据，证明，辩解
4. severity [sɪ'verɪtɪ]名词：严重，猛烈，
5. severe [sɪ'vɪə]严重的
6. inconclusive[ɪnkən'kluːsɪv] 非决定性的
7. impairment[ɪm'peəm(ə)nt] （身体\智力的）缺陷，削弱，损害
