The narrator tells of the three sides of health represented by a triangle with the physical side at the bottom, the mental side on the left, and the social side-the subject of this film-on the right.
1961
1921
1969
1925
1971
1948
2011
2003
1986
1968
2006
2015
1947
1966
2017
2005
1974
1931
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1967