J2
The various changes generally associated with
physiolvgical senescence are known ty show wide
vanability among individuals of the same age, and
scoring of the latter. This appeared generallyto
this was borne out by these data. However, some
well with age. The amount of subcutaneous fat
ing than others, judging by the degree of change
ness, but, since loss of subcutaneous fat is some-
uf the criteria appeared to be better indices of av-
and the variability of the data observed. (Vhts
be the case, but che estimated values for ereving
of the hair and arcus senilis Correlated surprisingly
probably influenced measurements of skin loose-
statement is not based on statistical analvsis.}
what age dependent, probably in the right direction. Itis hoped that in the future statistical weat-
arcus semilis, greying of the hair, and hand
streneth. “Phe measured criteria would be ex-
ment ofthe data mayfurnish a weighting tactor lor
each criterion based on the degree of age-assuciated change and the variability of the data. [tis
not always possible to run the complete battery of
Some of the better criteria appeared to be accommodation of the eyes, visual acuity, skin retracuoa,
pected to be more rehable than the estimated ones
in viewof the subjective clement and less precise
‘Vable 20
Residual Beta Burns, [40d
traction of the many varied changes associated
with the aging process. Under the conditions of
Subyect
No.
Sex
17
KF
Zt
F
2b
M
44
b
Age
Description
4 Shighe deprgmented sears, left antecubital tossae
19) Mottled spots ol plementation and
depigrnentation., dorsum of teet.
18) Marked scarring "between hist and
second toes, right foot, with binding
to subcutaneuus Casucs, Arcas of lesser involvement peripheral to this
area. Nu evidence of Chrome radiaGon deriubatitis,
200 Sheht mottled prgmentauon-depig-
incntaden with little scarring, dat sum at feet. Mottled hyper pigment-
col spots persist on back of neck.
examinations of the Marshallese, the battery of
tests cmploved is necessarily limited. As more ex-
perience is gained, some ofthe tests may be elimunated and newones added. ‘Vhe tests of vigor are
thought to be extremely important in assessing
aging, and tt is hoped that more tests of this nature
may be added. At this time the data are presented
to introduce an approach to a feasible means of
assaying “biological age” which mught be of use tn
studying the possible efects of radiavion on the aging phenomenon in humanbeings. In the case of
the expused Marshallese, resuiis of further aging
surveys will be caretully evaluated, and the results
v,
-
~
I
Black mules believed to have increased in nuinber aver cight side of
neck, whe several noted in lett anteCubtual fossa.
Motued roughening and pirement
Vattalion, back of acy k.
Mottled pigineniation, left side of
neck. with sight rougheniig of skin.
20 Depigmented scarred areas with
Shiht atrophy of skin over dorsum of
tect, particutarly at site of deeper
7
21)
—
KF
a
44
tests on cach individual, and use of such weighting
factors would tend to nunimize the disparity due
to the omissions.
The data presented must be considered as preliminary in nature and to represent only a small
b7
F
scat on felt toon Some areas adjacent
7th
I
Hi
7
NI
>
to scars shaw inmtreasedd pry metitaton
Plemented anoles appear te have incraped in number over bett sade of
neck and to lesser extent on rele
side atosites of rather deep beta
bavartis
Backoot eft ear shows depigmrented
sca wth some bint down te can.
Dlave
Noexidenee af breakdewa
Figure $2)
lait,
Residual scartimg betw con ferest and second
tieht fowl, thoi beta foterdas, VANCES port eA pase
iSubyeet ott
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