时间:2019-02-09 作者:英语课 分类:实用英语


英语课

   They say having a family changes a man forever. But it may not just be a sense of duty that drives new dads to swap 1 evenings in the pub for quiet nights at home。


  A study has found that when men become fathers, their bodies suppress production of the sex hormone 2, making them more interested in parenting than mating。
  The researchers measured testosterone levels in saliva 3 from a group of 21-year-old men from the Philippines with no children. Testosterone boosts behaviors that help a male compete for a mate。
  Over the next five years, childless men saw an average age-related testosterone decline of 14 percent, but for those who became fathers, the typical drop was 34 percent。
  The men who reported caring for their child for between one and three hours per day saw the greatest decline, which the authors said was not accounted for by stress or sleep deprivation 4
  Co-author Lee Gettler, an anthropologist 5 at Northwestern, said: "I think it is reasonable to predict that the men’s testosterone could remain low for a number of years if they remained heavily involved in providing care to their children."
  This is the first to suggest that settling down and having children actually causes the fall。
  据英国《每日邮报》9月12日报道,人们说,家庭常常会改变一个男人。但是,刚刚成为爸爸的男性们之所以不再光顾酒吧,而是选择回到家中宁静度日,这不仅仅是因为他们受到了责任感的驱使。
  研究发现,男人在成为父亲之后,他们的身体就会抑制性激素的产生,这使其对养育子女比对性生活的兴趣更大。
  研究人员对一组来自菲律宾的尚未成为父亲的21岁男性唾液中的睾丸素水平进行了测量。睾丸素促使男性追求配偶。
  在接下来的5年中,无子女的男性由于年龄原因,睾丸素平均减少了14%,而那些成为父亲的男性,他们的睾丸素锐减了34%。
  根据报告显示,那些每天花一至三小时时间来照顾小孩的男性,他们的性激素减少的最多。研究人员认为,这一现象并不能归咎于压力大或是缺乏睡眠这些因素。
  美国西北大学的研究员雷?盖图说:“我认为,这个判断较为合理,即如果男性照顾小孩的负担较重,那么他们的睾丸素将会在数年内都保持在一个较低水平上。”
  该研究首次证实了成家和生子确实会导致睾丸素减少。

n.交换;vt.交换,用...作交易
  • I will swap you my bicycle for your radio.我想拿我的自行车换你的收音机。
  • This comic was a swap that I got from Nick.这本漫画书是我从尼克那里换来的。
n.荷尔蒙,激素,内分泌
  • Hormone implants are used as growth boosters.激素植入物被用作生长辅助剂。
  • This hormone interacts closely with other hormones in the body.这种荷尔蒙与体內其他荷尔蒙紧密地相互作用。
n.唾液,口水
  • He wiped a dribble of saliva from his chin.他擦掉了下巴上的几滴口水。
  • Saliva dribbled from the baby's mouth.唾液从婴儿的嘴里流了出来。
n.匮乏;丧失;夺去,贫困
  • Many studies make it clear that sleep deprivation is dangerous.多实验都证实了睡眠被剥夺是危险的。
  • Missing the holiday was a great deprivation.错过假日是极大的损失。
n.人类学家,人类学者
  • The lecturer is an anthropologist.这位讲师是人类学家。
  • The anthropologist unearthed the skull of an ancient human at the site.人类学家在这个遗址挖掘出那块古人类的颅骨。
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