Just as the absence of hair on the face in a man or a moustache effect in a woman stand for some definite stress or strain in the mechanics of interaction of the internal secretions, so likewise do variations in dentition, as to the time of eruption of the teeth, their position and quality, and their resistance to decay.
"The Glands Regulating Personality"
Louis Berman, M.D.
Until puberty this children's hair remains the same, although at times, particularly after dentition, and after infectious diseases which undoubtedly alter the relations of the internal secretions, changes of color and texture occur.
"The Glands Regulating Personality"
Louis Berman, M.D.
The second dentition itself is an expression of a certain internal secretion wave passing through the cells, an increase of action of some hormones, a decrease of others.
"The Glands Regulating Personality"
Louis Berman, M.D.