1In a recent study __5__ over 400 healthy adults, researchers from Carnegie Mellon University in Pennsylvania examined the effects of perceived social support and the receipt of hugs __6__ the participants’ susceptibility to developing the common cold after being __7__ to the virus.
主干主语：researchers from Carnegie Mellon University in Pennsylvania；谓语：examined；宾语：the effects of perceived social support and the receipt of hugs
结构句首介词短语 In a recent study… 作状语，study 后有分词/介词结构修饰。主干为 researchers examined the effects。effects 后 of 短语说明内容；__6__ 引出介词短语修饰 effects，指向 susceptibility。susceptibility 后接 to developing…；after being __7__ to the virus 为时间状语，说明暴露于病毒之后。
译文在一项对四百多名健康成年人进行的近期研究中，宾夕法尼亚州卡内基梅隆大学的研究者考察了感知到的社会支持以及得到拥抱，对受试者在接触病毒后是否易患普通感冒的影响。
考点examine the effects of A on B：考察A对B的影响 · after being exposed to：被动分词作时间状语
2People who perceived greater social support were less likely to come __8__ with a cold, and the researchers __9__ that the stress-reducing effects of hugging __10__ about 32 percent of that beneficial effect.
主干并列句一：主语 People；谓语 were less likely to come down with；并列句二：主语 the researchers；谓语 concluded/found；宾语从句
结构and 连接两个并列分句。第一分句中 who perceived… 为定语从句修饰 People；be less likely to do 后接不定式。第二分句 researchers 后接宾语从句 that…，从句主语为 the stress-reducing effects of hugging，谓语为 accounted for 一类动词，宾语为 about 32 percent of that beneficial effect。
译文那些感到社会支持更强的人更不容易感冒；研究者认为，拥抱的减压作用大约解释了这一有益效果的百分之三十二。
考点be less likely to do：更不可能做某事 · account for + 百分比：解释/占……比例
3Hugging protects people who are under stress from the __13__ risk for colds that’s usually __14__ with stress," notes Sheldon Cohen, a professor of psychology at Carnegie.
主干主语：Hugging；谓语：protects；宾语：people；介词短语 from the risk
结构protect A from B 结构。people 后 who are under stress 为定语从句。risk 后 for colds 说明风险类型；that’s usually associated with stress 为定语从句修饰 risk。引语后 notes 引出说话人，a professor… 为 Sheldon Cohen 的同位语。
译文卡内基的心理学教授谢尔登·科恩指出：拥抱能保护处于压力下的人，使其免受通常与压力相关的更高感冒风险。
考点protect sb from sth：保护某人免受…… · be associated with：与……相关
4Some experts __17__ the stress-reducing, health-related benefits of hugging to the release of oxytocin, often called “the bonding hormone” __18__ it promotes attachment in relationships, including that between mothers and their newborn babies.
主干主语：Some experts；谓语：attribute；宾语：the … benefits of hugging；介词 to the release of oxytocin
结构attribute A to B：把A归因于B。benefits 前有并列形容词修饰。oxytocin 后 often called… 为过去分词作后置定语/同位说明。__18__ 引出原因状语从句（because），说明得名理由；including that between… 中 that 指代 attachment，作补充说明。
译文一些专家把拥抱减压、有益健康的作用归因于催产素的释放；它常被称为“联结激素”，因为它能促进人际关系中的依恋，包括母亲与新生儿之间的依恋。
考点attribute A to B：把A归因于B · including that between…：that 指代前文不可数/抽象名词 attachment