Show air and water cures it Is a remarkable fact hat as with various nat iral so called mineral waters so with various airs which people find beneficial one has yet f clearly and decisively shown in tha a farst place whether they exert any chemical effect ot a special kind on the people who seem to benefit by drinking the one or breathing the other still less has anyone shown what Is the particular chemical ingre adient ot the air or of the water ot any given resort which exerts the benah cial effect attributed to that air or that water |