Of all the dangers by which we are menaced, none is so greatly to be apprehended as ignorance. This is especially true with reference to health. The majority of people fall easy victims to disease, simply through ignorance of the fundamental principles that govern health. It is because they do not rise superior to this ignorance concerning the health of their bodies that they become the prey of the unscrupulous charlatans who thrive upon the maladies of humanity, and the patent medicine vendors whose specious advertisements beguile them of their money. The humiliating part of it is that these same imposters (in a large majority of cases) possess but little more knowledge of these subjects than their dupes, but are absolutely devoid of conscientious scruples. It behooves every intelligent individual to see that this reproach is lifted from him. Knowledge is held to be a valuable possession in every department of life; but in no instance will it yield greater returns for the investment than in the field of hygiene--in learning how to keep well. It must not be imagined that because the treatment previously described is such a wonderful curative and preventive of disease that nothing more is necessary--that all other hygienic measures can be ignored. These bodies of ours were given us for a nobler purpose than to be the sport of our caprice or neglect. It is our duty to treat them as a divine trust. There is no reason why any human being should die before eighty at least. With proper care the century mark should be reached in the majority of cases. This may sound like an extravagant assertion, but it is absolutely true. It all depends upon taking care of the human machine. Ask an engineer how long a locomotive would last if drawn at express speed every day, or if left standing idly on a siding! He will tell you that overwork or disuse are fatal to mechanism, so far as its capacity for lasting is concerned. Well, the most finished product of man’s handiwork in machinery cannot begin to compare with that wonderful, complex piece of mechanism--the human body; and if care will prolong the life of the lifeless machine, the veriest dullard cannot fail to perceive that the same rule applies with ten-fold force to the human organism, which possesses within itself the power of recuperation--a living machine, every atom of which is being daily replaced as fast as the friction of life disintegrates it. If the locomotive were capable of being reproduced in like manner--of having the daily waste of substance replaced during rest by proper attention to its needs--do you think its owners would ever allow it to wear or rust out? Would they not bend every energy to prolong its existence indefinitely? Most assuredly they would. And is the body, the earthly habitation of the real man, of less importance to himself than the creations of his own hands? Common sense says, “No!” But daily experience shows us that the bulk of humanity are far less careful of