携带变异基因人群更易发生出轨
发布时间:2011-05-16 02:22 来源:君健网
一项新研究发现,有些人风流成性、私生活混乱,其实这是他们体内一种特别的多巴胺受体基因——DRD4在作祟。
此前研究已发现,此基因与酗酒、赌瘾以及嗜好看恐怖电影等追求刺激行为的性格和喜好有关。有研究还发现,这一基因与对社会风气和习俗变化持开放、容纳的态度有关。
在这项新的研究中,研究人员发现携带某种变异DRD4受体基因者发生不负责任的性生活的可能性更大,包括一夜情和出轨行为。这种行为的动机似乎来自于人体愉悦和回报系统,这是多巴胺产生的源头,携带爱追求惊悚刺激的基因变异体的人比未携带此基因变异体的人发生一夜情的可能性要高出两倍。根据报告,DNA里“烙上”风险嗜好的志愿者中,有50%的人过去背叛过伴侣,而未携带该冒险基因变异体的人只有22%曾经出过轨。
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