RT Journal A1 Hontela SS T1 GEriatric endocrinology JF JAMA JO JAMA YR 1979 FD April 6 VO 241 IS 14 SP 1511 OP 1512 DO 10.1001/jama.1979.03290400065033 UL http://dx.doi.org/10.1001/jama.1979.03290400065033 AB One of the common obstacles that the reader of geriatric studies confronts is the lack of a common language: what is the age of a geriatric patient, what life-period has the author in mind when he speaks about aged, elderly, aging, and old persons. Data concerning blood pressure, body weight, and particularly blood concentrations of hormones when presented without a clearly defined life-period might lead to confusion. It is well known that bone loss is considerably lower in the elderly than in those in the early postmenopausal period. Anatole France, quoted by Greenblatt in the introduction, says, "we are already old when we are born"; but what has this statement to do with geriatric endocrinology or with the author's remark about man's age in the antediluvial era in which "Methusaleh lived 600 years, and Noah, surviving the flood, lived 900 years. The life span in the postdiluvial era is more