Tuberculosis is amazingly widespread, but most people who have had this disease are not aware of it. In larger cities where tubercular infections are more common, about 40 percent of the twenty-one year old population has had tuberculosis, whereas, 95… Continue Reading →
Emphysema is a thinning out of the lung tissue itself and is seen only rarely below the age of fifty. When not enough lung tissue remains to carry on easy, effective breathing, more rapid breathing is required for complete full… Continue Reading →