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Empathy::Parent

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Empathy David Haig has argued that human fetal genes would be selected to draw more resources from the mother than it would be optimal for the mother to give, a hypothesis that has received empirical support. The placenta, for example, secretes allocrine hormones that decrease the sensitivity of the mother to insulin and thus make a larger supply of blood sugar available to the fetus. The mother responds by increasing the level of insulin in her bloodstream, the placenta has insulin receptors that stimulate the production of insulin-degrading enzymes which counteract this effect.<ref>{{#invoke:Citation/CS1|citation |CitationClass=journal }}</ref>


Parent sections
Intro  Biological and non-biological parentage  Biological parents and paternity testing  Foster care and adoption  Stepparents  Child abuse and infanticide  Parental investment and parent\u2013offspring conflict  Mother  Father  Grandparent  Parent\u2013offspring conflict  Empathy  Optimal gender mix  See also  References  External links  

Empathy
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