Part 15 (1/2)

Dandruff, 109

Dante, 77

Darwin, 17, 46

Dentistry, 126, 190

Determinists, 57

Diet, 131

Diet Standards, 135

Digestion, 145

Diphtheria, 188

Diseases, 107, 117

Dogs, 17

Draft, 182

Drugs, 118, 150, 185, 189

Dubb, 63

Duncan, 102

Dyspepsia, 117

Eddy, 65

Edison, 45, 86

Einstein, 101

Elberfeld horses, 68

Evolution, 8, 17

Exercise, 163

Faith, 9

Faith curists, 65

Fast cure, 171