1896 ad for Dr. Marshall's Catarrh Snuff. "Cures deafness, restores lost sense of smell," among other things. (BTW, the definition of catarrh is,"excessive discharge or buildup of mucus in the nose or throat.")
1922 ad for Clark's Thinning Bath Salts. "Superfluous tissue melts away."
1961 ad suggests dieters will have more success if they consume sugar. The bottom of the ad states, "Published in the interest of better nutrition by Sugar Information, Inc., a non-profit organization."