Gambling has been a common feature of American life forever, but for a long time it was broadly considered a sin, or a social disease.

赌博永远是美国人生活的一个共同特征，但很长一段时间以来，它被广泛地认为是一种罪恶，抑或是一种社会疾病。

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Consistently, research shows that communicating with others promotes health, whereas social isolation is linked to stress, disease, and early death.

研究一致表明，与他人交流促进健康，而社交孤立则与压力、疾病和早逝相关联。

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People with the disease were often treated as social outcasts.

患有这种疾病的人常被社会摈弃。

《牛津词典》

Still more creative early-detection systems will begin to pull together illness information present in social-networking sites like Facebook and Twitter, allowing us to see changing disease patterns before they make the morning news.

ECONOMIST: Science