A French study of over four hundred idiotic children with normal Thyroids reported that over three fourths had no thymus at all.
"The Glands Regulating Personality"
Louis Berman, M.D.
Thyroids were removed from animals and after some time serum from these animals, supposed to be of lower thyroid content, was injected into human beings with the idea of reducing the hyperthyroidization or perhaps neutralizing it by some substance present in the serum.
"Psychotherapy"
James J. Walsh