74 GENERAL SCIENCE 



munity, too, suffers loss in the worth and excellence of its 

 citizenship. 



Parents who are users of alcoholic drinks are responsible 

 for lessened vitality in their children due to alcohol. The 

 children of such parents are often afflicted by physical 

 weaknesses, and are less likely to live through infancy. 



So readily does one become a victim of an uncontrollable 

 appetite for habit-forming drugs and alcoholic drinks that 

 self-protection makes it necessary to shun the company of 

 those who indulge themselves regardless of the risks taken. 



FIG. 30. Laws of heredity are well established for both plants and ani- 

 mals. The diagram shows what is likely to be true of children and grand- 

 children where a man addicted to the use of alcoholic drinks marries a feeble- 

 minded woman. The histories of such unions confirm experimental results 

 in the breeding of plants and of the lower animals. 



It is only an exercise of good judgment to avoid any com- 

 panionship and all social relationships where the price is 

 likely to be the undermining of the health, and slavery to 

 the use of intoxicating liquors and narcotics. 



Boys beginning the use of tobacco should have knowledge 

 of the fact that the use of it very often seems to prevent a 

 proper development of body and mind. Only a small per 

 cent of school boys who are confirmed smokers are able 

 to keep their standing in school work, or later to secure and 

 retain the most desirable positions, Alcohol and narcotic 



