The struggle of truth against prejudice, of the new against the old, of progress against things which are established, is going on now as it has since the world began. The fight is
Effect of Weather on Man
Man lives in an ever-changing environment which is partly beyond and partly under his control. He cannot wholly escape the variations in heat and cold, air movement, barometric pressure, humidity, dryness, light intensity,
The Mineral Elements of Nutrition
Of all the nutritional materials necessary to health, the minerals have received the least attention by the investigators of science. It has required the study of vitamins to bring this fact into prominence.
Why Not Be Honest About It?
In these pages we have at various times called attention to some of the obvious basic principles underlying the use and preparation of vitamin concentrates. Today these principles, to be set forth again
Practical Application of Preventive Dental Medicine
The author is fully aware that there may be and probably are other avenues of approach to the practice of preventive dental medicine. He offers this as one method worked out over the
Can Vitamins Be Standardized as to Unit Content?
Pharmacologists have attempted to find scientific short cuts for determining the merit of vitamins by means of their effect upon animals and to establish units of potency based on these results. Where the
A Male Sex Stimulating and Female Sex Repressing Fraction From the Adrenal Gland
Recent work on the chemistry of the adrenal cortex has resulted in the isolation of several crystalline substances, some of which have been reported physiologically active in maintaining the life of bilaterally adrenalectomized
An Orally Active Sex Maturation Fraction From the Adrenal Gland
Cryptorchism, following the report of Bevan (1) was formerly looked upon in America as a condition which only the surgeon could correct. Shapiro (2) in 1930 showed that the anterior pituitary-like hormone of