MAN'S FIGHT FOR SURVIVAL 



613 



down their efficiency, allowing poisons to accumulate in the body 

 which eventually cause death. In the case of cerebral hemorrhage, 

 as well as apoplexy and arteriosclerosis, the only help comes in 



-siiicicCe- 17.9 



other respiratory > 



/ear/- 



, "homicide/ .9.0 

 4au^ ojtdcCents 



apople^.etc. 



Death rates in cities of the United States, based on the latest available informa- 

 tion. What types of diseases exact the greatest toll of life ? 



moderation both in diet and in bodily activity. Degenerative dis- 

 eases are the natural result of the gradual wearing out of the body and 

 all that we can expect to do is to lessen the death rate from these 

 causes. 



Man and His Parasitic Worms 



Various parasitic worms have been known for countless centuries as 

 enemies of man. In the Ebers papyrus of the sixteenth century B.C. 

 there is a record of certain diseases attributed to the presence of the 

 "bowel worm." The fiery serpent which the Israelites encountered 

 in the wilderness of Sinai was undoubtedly none other than a round- 

 worm, Fullebornius (Dracunculus) medinensis. Evidence of the sa- 

 gacity of Moses lies in his separation of animals into "clean" and 

 "unclean" on the basis of the presence or absence of parasites. 

 Thus all scavenger beasts were prohibited as food. As civilization 

 progressed and man used more cooked food, the number of parasites 



