There is a great deal of sound common sense in this book, but not enough to balance all the nonsense in it. The author states that nearly everybody suffers from some form of nervousness, which he classifies as (1) Fear, (2) Depression and (3) Lethargy, and he holds—rightly or wrongly—that this is a greater tragedy than all the grave organic diseases such as cancer, tubercle, heart disease, rheumatism, etc., filling our hospitals and the major psychoses filling our asylums.

He believes that nervousness is a disease of modern times and that it is all due to (1) Congestion, (2) Exhaustion and (3) Malnutrition. What he means by congestion we have failed to discover, but by exhaustion he