identify one of the major reasons why firstborn children are more likely to die young than children later in birth ordera) Men work in higher-stress occupations.b) Women are more likely to seek medical advice on heart disease.c) Full-time parenting is a stress-reducing activity, and more women than men are full-time parents.d) Men are generally more prone to heart disease for biological reasons.

d) Men are generally more prone to heart disease for biological reasons.

For biological reasons, men are generally more susceptible to heart disease, so firstborns are more likely to die early than children born later in the birth order, due to various factors.

Heart disease is the leading cause of death for men and women worldwide, and men are more likely than women to develop heart disease at a younger age. Biological predisposition to heart disease may be the main factor, although there are other factors.

Note the relationship between birth order and mortality is relatively small, and that many other factors, such as genetics, lifestyle, social and economic status, may have a much stronger impact on an individual's mortality risk. is also worth noting.

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Studies done by evolutionary psychologists have found that men are drawn sexually to women who seem ________________, while women are attracted to men who seem ________________.