108 THE LAWS OF ORGANIC 



the body, to surcharge the internal organs, and 

 thus to impede the proper changes of the blood 

 and its dependent functions. Whenever the mind 

 acts to this extent, a morbid congestion or disease 

 of internal parts occurs ; but if the cause which 

 operates be much milder in its consequences, it 

 is still liable to influence the natural internal 

 determination or circulation of blood ; I say na- 

 tural, because I have already shown, that, as 

 we recede from infancy to manhood, the digestive 

 and excretory functions augment, and others which 

 are of Importance to the animal economy are deve- 

 loped and brought prominently forward, the indi- 

 vidual or collective support of which is derived from 

 the blood ; and therefore this change must modify 

 the previous distribution, by creating new internal 

 wants, and presenting new objects as forces of at- 

 traction or powers of control. 



CIV. If the above view be correct, like all 

 principles which are true it must be capable of 

 application ; and if it be proved that the various 

 diseases to which the different ages are exposed 

 have no relation with the peculiarity of the cir- 

 culation, it will then show that my observations 

 and opinion are inaccurate ; but if it be acknow- 

 ledged that the nature or character of the disease 

 depends upon, or is influenced by this state, an 

 opposite conclusion must be drawn. 



CV. From fourteen to eighteen years of age 

 youth is liable to be affected with epistaxis 



