The recent advances in physiology have affected medical treatment in two ways: In the first place, they have been the occasion of introducing a number of new remedies, chiefly enzymes and the organ extracts which are supposed to owe their efficiency to the action of hormones. Second, physiology has given us a clearer idea of many functions so that we have a more rational conception of diseases and consequently are able to introduce a treatment founded on correct principles. Brown's work is an attempt to illustrate the value of these principles in the treatment of a number of diseases.
In the first chapter the hormones, including iodothyrin, adrenine and pituitary extract are considered together with the action of ovary, testes and thymus, kidney and muscle. The value of these remedies in various directions is stated, with due conservatism, and a very commendable feature of the book is a careful summary