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the time of life when the children are grown and leave; for some people, this event leads to feelings of uselessness and depression
the "change of life" period for women when menstruation and ovulation stop; some women experience major physical symptoms, such as dizziness and "hot flashes"
the branch of psychology that studies the aging process and the problems of older people
a blockage of blood vessels to the brain that results in the loss of mental faculties
the loss of chemical nerve cell transmitters and other damage to nerve transmission that result in mental deterioration
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