Comparison of personality characteristics, psychological hardiness and depression in young people aged 18-24 years in four groups of nourishment with natural milk at different intervals

The purpose of this study was to compare personality traits, psychological hardiness and depression among young people aged 18-24 years in four groups of nourishment with natural milk. The population consisted of all young people aged 18-24 years old in Shahrood city, among which 140 were selected from among youth in universities, a number of institutions and youths in the health center. The sample was randomly selected. Beck Depression Inventory Questionnaire, Kobasa Hardness Questionnaire and Five Big Personality Characters (Neo-FFI) were used to collect data. To investigate the research data after the descriptive analysis, T-test (ANOVA and MANVA) tested the hypothesis that both the general hypothesis and the three partial research hypotheses were confirmed. The results showed that between personality traits. With increasing natural milk consumption, personality scores increased psychological hardiness and reduced depression. Therefore, it can be concluded that breastfeeding will have a significant effect on personality traits, psychological hardiness and depression in adulthood. So that breastfeeding adults have a higher psychological hardiness and less depression in adolescents with normal and normal personality traits.