The word altruism derives from the French "altruisme" which means "philanthropy and solidarity" which comes from the Latin "alter" which can be translated as "the other", altruism is human behavior that consists in facilitating care against one's own good, but In addition, it can be understood that altruism is the opposite of selfishness or excessive love for oneself, which only becomes concerned with one's own interest, forgetting about others, even when said diligence threatens one's own good, although it is not based in the supernatural.
The altruistic behavior consists in behavior that increases expectations resistors other at the expense of a personal decrease a behavior support colleagues who are in danger, a personal sacrifice for the benefit of others, worry or care if interest by the other or the others. The altruism is a unique property of the human being and especially in older animals.
The Altruism in ethology and evolutionary biology, this is responsible for the behavior animals where a person puts in danger his life to protect and encourage other members of the group. These theories explain how a person can sacrifice his own life in order to protect that of others, but always add the fact that among the members of that group he has to discover a subject who shares part of the same genes.
Altruism in psychology and sociology, is a behavior that favors another but is also spontaneous and the author does not anticipate external users.
