challenging such noxious misconceptions , the authors point out that old age -- by the same token as infancy , childhood , adolescence , adulthood and mid-life -- is a natural phase in human development , with its own strengths and weaknesses , wisdom and shortcomings , joys and sorrows , problems and solutions and , above all , its own rightful place in the natural scheme of things .
C0231335
childhood
C0001578
adolescence