The Art of Invigorating the Health, and improving the Strength of Man, has hitherto only been considered for the purpose of training him for Athletic Exercises, but I have often thought that a similar plan might be adopted with considerable advantage, to animate and strengthen enfeebled Constitutions, prevent Gout, reduce Corpulency, cure Nervous and Chronic Weakness, Hypochondriac and Bilious Disorders, to increase the Enjoyment, and prolong the...