The Hygiene of Mind

Originally published in 1906. How the mind of man can be strengthened, widened, and made a more efficient instrument through the application of modern scientific and physiological knowledge is a question of intense interest. It is now a universally accepted fact that the body is capable of improvement by the application of hygienic rules, and that thereby the life of man and his happiness are bettered. It is also proved by physiology that mental action is absolutely co-related with brain ac