This is an age of analysis and reasoning, not alone the analysis of thought, modes of thought and conduct of living, but the analysis of material things: foodstuffs and drugs. Not only has this analytic trend interested those persons directly associated with the professions and sciences, but the laity has become imbued with the never ending question, "Why?" In past generations, it was customary for the physician to prescribe medicine empirically to obtain results. He combined numerous drugs for their numerous effects. He made keen observations and was thus enabled to state firmly that certain drugs produced certain results.
This method of reasoning does not suffice today. Fortunes have been spent in analyzing the properties and actions of drugs and chemicals, and today, through this scientific analysis, one can definitely answer why certain results are obtained. The same change has taken place in the general attitude toward foodstuffs. In previous