29 a rt ee ” —_ * « EXPOSED e = UNEXPOSED a *MEAN BOTH GROUPS . ’ + 32 | 2 sEXPOSED + UNEXPOSED o'MEAN BOTH GROUPS : 427 (mm) 422 | st? 412 50 60 AGE -YRS Figure 15. Senile changes of skin, 1959. Figure 14. Skin looseness, 1958-1959. ! 100 — ac - . =e > + EXPOSED « « UNEXPOSED a MEAN BOTH GROUPS 100 _.4. 90 =_ 80 _ x ~3- a3 7O- % 60——?@+ 50 — . —2r 40 - . ot EXPOSED +: UNEXPOSED ‘O16 19 16, oO Poa RT ayeye 20 ais — + 20 - 30 40 cts MEAN BOTH GROUPS . 50 & AGE - TRS 70 -O 30 80 20 Figure 16. Grayness of hair, 1959. | ¥ T TT 100 - | . 80 - 70 — ; 9 = MEAN BOTH GROUPS +4 90- 40 50 6 AGE- YRS 70 80 Figure 17. Baldness in males, 1959. | 2 * EXPOSED * = UNEXPOSED 30 { oe ° EXPOSED + + UNEXPOSED 2» MEAN BOTH GROUPS | AI2 | ° % 60- 4 1 | 1 49 ise 7 | 50 ~2 46 i. 41+ -—3 40F 30 | 20 - ! ! iQ~ | ore: +0 20 Figure 18. Baldness in females, 1959. Figure 19. Accomodation, 1959. (DIOPTERS}) 30 -