Electronic Supplementary Material 2 from A test of four evolutionary hypotheses of pregnancy food cravings: evidence for the social bargaining model Caitlyn Placek 10.6084/m9.figshare.5480869.v1 https://rs.figshare.com/articles/journal_contribution/Electronic_Supplementary_Material_2_from_A_test_of_four_evolutionary_hypotheses_of_pregnancy_food_cravings_evidence_for_the_social_bargaining_model/5480869 Calories per serving of food item 2017-10-09 09:59:42 pregnancy cravings South India behavioural immune system resource scarcity son preference social bargaining