Milk, in its nature, approaches nearest to the line of the vegetable kingdom, and is therefore, in my view, the least objectionable form of animal food. I am even ready to admit that for persons affected with certain forms of chronic disease, and for all children, milk is excellent. And yet, excellent as it is, it is very liable to be injurious. We are told, by the most respectable medical men of France, that all the cows about Paris have tubercles (the seeds or beginning of consumption) in their lungs which is probably owing to the unnatural state in which they are kept, as regards the kind, and quantity, and hours of receiving their food; and especially as regards air, exercise, and water. Cows cannot be healthy, nor any other domestic animals, any more than men, when long subjected to the unnatural and unhealthy influences of bad air, want of exercise, etc. Hence, then, most of our cows about our towns and cities must be diseased, in a greater or less degree--if not with consumption, with something else. And of course their milk must be diseased--not, perhaps, as much as their blood and flesh, but more or less so. But if milk is diseased, the butter and cheese made from it must be diseased also. But milk is sometimes diseased through the vegetables which are eaten by the cow. Every one knows how readily the sensible properties of certain acrid plants are perceived in the milk. Hence as I have elsewhere intimated, we are doubly exposed to danger from eating animal food; first, from the diseases of the animal itself, and secondly, from the diseases which are liable to be induced upon us by the vegetables they use, some of which are not poisonous to them, but are so to us. So that, in avoiding animal food, we escape at least a part of the danger. Besides the general fact, that almost all medical and dietetic writers object to fat, and to butter among the rest, as difficult of digestion and tending to cutaneous and other diseases,--and besides the general admission in society at large that it makes the skin "break out,"--it must be obvious that it is liable to retain, in a greater or less degree, all the poisonous properties which existed in the milk from which it was made. Next to fat pork, butter seems to me one of the worst things that ever entered a human stomach; and if it will not, like pork, quite cause the leprosy, it will cause almost every other skin disease which is known. Cheese is often poisoned now-a-days by design. I do not mean to say that the act of poisoning is accompanied by malice toward mankind; far from it. It is added to color it, as in the form of anatto; or to give it freshness and tenderness, as in the case of arsenic.[21]