What Are The Pros And Cons Of Being Firstborn Child

The argument tries to suggest us that being first born child and even being first-time mother cause both monekeys and humans to produce more of cortisol, a hurmone that primes the body for increased activity level. But the argument miss the note that this increase can be caused from other issues not related to being first or not. In fact this issue can be a cause of emotions that differs in siblings and also an effect of age.
First unwarrant assumption is that firstborn infant monkeys produce much more cortisol on stimulating situations. The author miss the fact that this can be an effect of age. He brings an example of the situation of encountring with an unfamiliar monkey, so he is comparing two child monkeys with different age at the same event. The older monkey in this condition might have more amount of knowledge. It may undestand the risks and dangers of an unfamiliar monkey much more than its younger siblings. As a result he will try to reduce the risk by shifting his body to a more active state by producing coritsol hormone. At the same time younger sibling doesn’t see the unfamiliar monkey as a thread and won’t react.
We all heard that firstborn children have more ability of managing. In fact this is the sense of responsibility that grow in such children because parent expect them to care about everything much more than the younger ones. This sense of responsibility put firstborn childeren in an emotional stat that may cause cortisol to produce. For example if parents of a family need to travel for a short time they tell to their older child to take care of his or her brother or sister. This child will not only be worried about himself but also about the other