Luteal phase immunosuppression and meat eating.

摘要: Immunosuppression during pregnancy makes the mother vulnerable to pathogens. Because meat is principal source of ingestible pathogens, raises costs eating. Natural selection has crafted a mechanism involving changes in nausea susceptibility and olfactory perception that reduces consumption pregnancy. Evidence presented showing luteal phase marked by both immunosuppression olfaction; may be reduced this period, suggesting similar sickness. Constraints on compensatory increases outside explain why women eat less than men. Meat target acquired aversions. Women possess more aversions men, prophylactic mechanisms sometimes result longstanding dietary changes. Reproductive explains many aspects behavior sheds light factors have contributed gender-based divisions labor hominid evolution.