As more people get their vaccines, we may soon be able to get back to hugging, shaking hands and kissing cheeks.

随着越来越多的人接种疫苗，我们可能很快就可以再拥抱、握手和亲吻脸颊。

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Frequent kissing in committed couples has been found to reduce stress and cholesterol while increasing a more satisfying relationship.

科学发现一对男女之间频繁的亲吻能缓解压力降低胆固醇，同时也能使得双方的关系更上一层楼。

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It's only been 48 hours, but he's saying more words, he lets us brush his hair and he's been kissing us goodbye.

仅仅48个小时，但是他能说更多的词语了，他让我们刷理他的头发，同时他在再见的时候亲吻了我们。

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He also believed that showing love to babies by hugging and kissing them would make them happier and more secure.

VOA: special.2009.03.15

But in reality, we're more likely to get sick by shaking hands throughout the day than by kissing.

CNN: The science of kissing

Experts have said many of the head and neck tumours they are seeing contain the human papilloma virus (HPV) which is more commonly associated with cervical cancer and, according to Cancer Research UK, can be passed on through kissing.

BBC: Radiotherapy mask