Do not wet lead pencils with your spit. Do not wet your fingers with spit when you deal cards or turn over pages of books or magazines. Keep the teeth brushed and the mouth clean. Have decayed teeth repaired at once. Decayed teeth drop out and they cause abscesses, which may destroy the jaw bone or cause brain fever.
Old snags give the stomach the germs of rotting, which cause dyspepsia.
The more common diseases . These diseases are carried from person to person by finger nails and hands and from dirty water to those who bathe in it or have their underwear washed in it 1465. Any wound soiled with such dirt will be infected. Also, wounds made by toy pistols and firecrackers often contain lockjaw germs. These are diseases whose germs are usually caught from prostitutes and whores, or from husbands who have caught the germs from prostitutes and whores.