教育频道,考生的精神家园。祝大家考试成功 梦想成真!
会员登录 会员注册 网站通告:

经济学

搜索: 您现在的位置: 经济管理网-新都网 >> 经济学 >> 人口、资源、劳动经济学 >> 正文

Preliminary evidence regarding the hypothesis that the sex ratio at sexual maturity may affect longevity in men

http://www.newdu.com 2018/3/28 中国社会科学院人口与劳动经济学网 Lei Jin,… 参加讨论

    [Abstract] In human populations, variation in mate availability has been linked to various biological and social outcomes, but the possible effect of mate availability on health or survival has not been studied. Unbalanced sex ratios are a concern in many parts of the world, and their implications for the health and survival of the constituent individuals warrant careful investigation. We indexed mate availability with contextual sex ratios and investigated the hypothesis that the sex ratio at sexual maturity might be associated with long-term survival for men. Using two unique data sets of 7,683,462 and 4,183 men who were followed for more than 50 years, we found that men who reached their sexual maturity in an environment with higher sex ratios (i.e., higher proportions of reproductively ready men) appeared to suffer higher long-term mortality risks than those in an environment with lower sex ratios. Mate availability at sexual maturity may be linked via several biological and social mechanisms to long-term survival in men.
    文章出处:Demography 47(3): 579-586
    

Tags:Preliminary,evidence,regarding,the,hypothesis,that,the,sex,ratio,at,sexual,maturity,may,affect,longevity,in,men  
责任编辑:admin
请文明参与讨论,禁止漫骂攻击。 昵称:注册  登录
[ 查看全部 ] 网友评论
| 设为首页 | 加入收藏 | 网站地图 | 在线留言 | 联系我们 | 友情链接 | 版权隐私 | 返回顶部 |