Human Physiology. 



depressing emotions of the mind weaken, disorder, and destroy 

 the body. The nerves of organic life, liable to have their 

 action suspended by violent shocks or poisons, may of course 

 be weakened, exhausted, and deranged in action by less violent 

 causes; and here we have gone as far, perhaps, as we can go- 

 in our pathology. We know that there is something beyond. 

 Matter does not plan, or organise, or carry on intelligent 

 action ; but the intelligence and force that act upon, with, and 

 through matter, we have little power to investigate. As with 

 all the forces that govern the material world, we can only judge 

 of them by their results. 



CHAPTER IV. 



THE CAUSES OF DISEASE. 



Hereditary Taint and Predisposition Darkness Malaria Contagion 

 Impure Air Food, Famine, Excess Condiments Impure and Hard 

 Water Stimulants Clothing and Shelter Mortality from Cold 

 Diseasing Fashions Excessive Labour and Unhealthy Employments 

 Amative Excess Solitary Vice Moral Causes of Disease 

 Double Origin of Contagious Diseases Scrofula Consumption 

 Syphilis Brain and Nervous System Effects of Narcotics Heart 

 and Circulation Dyspepsia Constipation Vegetable, Animal, and 

 Mineral Poisons Drugs as Causes of Disease. 



IF the first condition of health is to be well-born, the first cause 

 of disease must be to be born badly born with a feeble or, 

 worse, a diseased constitution, or with hereditary tendencies to 

 disease or the causes of disease. Children are born deeply 

 diseased with the taint of syphilis; they are scrofulous from 

 birth; born with tubercles in their lungs, certain to develop 

 into pulmonary consumption; born with hereditary tendency 

 to gout, or cancer, or apoplexy, or insanity. Children are born 



