life expectancy

the number of years that a person can, on average, expect to live. Life expectancy is based on statistical probabilities and increases with improvements in medical care and hygiene.

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Psychology term of the day

May 8th 2024

care of young

a manifestation of parental behavior or alloparenting in animals, usually stimulated by hormonal and other physiological changes when in the presence of offspring. These include the secretion of prolactin, which induces broodiness and parental feeding of young in birds and milk production in mammals.