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                                  THE

                         ROYAL ROAD TO HEALTH

                           OR THE SECRET OF

                         HEALTH WITHOUT DRUGS.

                                  BY

                        CHAS. A. TYRRELL, M. D.

                        Registered Number 2646

Proprietor of Tyrrell’s Hygienic Institute. Inventor of the “J. B. L. Cascade,”
  Professor of Hygiene. Ex-President of the Eclectic Medical Society
         of the City and County of New York. Originator of the
              Improved System of Physical Exercises, etc.

                  ONE HUNDRED AND SEVENTIETH EDITION

             COMPLETELY REVISED, ENLARGED AND ILLUSTRATED

                             PUBLISHED BY

                        CHAS. A. TYRRELL, M. D.

                     134 W. 65TH STREET, NEW YORK

                                 1917

                   [Illustration: Chas A Tyrrell md]




                              TO MY WIFE

           WHOSE ENTHUSIASM, AND UNFLAGGING INTEREST IN ALL
              MATTERS PERTAINING TO HEALTH IS EXCELLED BY
              NONE, AND WHO HAS BEEN A FAITHFUL CO-WORKER
                     IN BUILDING UP THE SYSTEM OF
                     TREATING DISEASE BY HYGIENIC
                       METHODS HEREIN SET FORTH,

                             THIS BOOK IS

                       AFFECTIONATELY DEDICATED.

                          COPYRIGHTED, 1907,

                                  BY

                       CHARLES A. TYRRELL, M.D.

                 [Illustration: THE DIGESTIVE ORGANS.

                      (_Viewed from the front._)]




                      DESCRIPTION OF THE DIAGRAM

                           ILLUSTRATING THE

                       DIGESTIVE ORGANS OF MAN.

1. Esophagus or Gullet.

2. Cardiac end of Stomach.

3. Pyloric end of Stomach.

4. Duodenum.

5, 6. Convolutions of Small Intestines.

7. Cæcum.

7* Vermiform appendage of Cæcum, called the _appendicula vermiformis_.

8. Ascending Colon.

9, 10. Transverse Colon.

11. Descending Colon.

12. Sigmoid Flexure, the last curve of the Colon before it
    terminates in the Rectum.

13. Rectum, the terminal part of the Colon.

14. Anus, posterior opening of the alimentary canal, through
    which the excrements are expelled.

15, 15. Lobes of the Liver, raised and turned back.

16. Hepatic Duct, which carries the bile from the liver to the Cystic
    and Common Bile Ducts.

17. Cystic Duct.

18. Gall Bladder.

19. Common Bile Duct.

20. Pancreas, the gland which secretes the pancreatic juice.

21. Pancreatic Duct, entering the Duodenum with the Common Bile Duct.

       *       *       *       *       *

The illustration here given of the Digestive Apparatus of man represents
the organs of food digestion, especially the alimentary canal and glands
connected therewith, and to the reader of this book, or to any student
of anatomy, it will be found of invaluable service as a reference.

The diagram gives a view of the digestive organs from the ventral or
front side, a proper study of which cannot fail to impress every
intelligent being with the reverential deduction of the Psalmist that we
are “_fearfully and wonderfully made_.”




PREFACE TO THE ONE HUNDRED AND SEVENTIETH EDITION


In presenting to the public the one hundred and seventieth edition of
this work, it is a matter for profound gratification to be able to state
that the treatment described in its pages has steadily increased in
public favor since its introduction. Tens of thousands of grateful
people testify to its efficiency, not only as a remedial process, but
better still, as a preventive of disease. Truth must ever prevail, and
this treatment being based on natural law (which is unerring), must
achieve the desired result, which is the restoration and preservation of
health.

This edition has been completely revised and much of it re-written, and
while the essential principles remain unchanged, some slight departures
from previously expressed opinions may be noted; for in the years that
have elapsed since the first edition saw the light, some notable
advances have been made in rational therapeutics and dietetics, and no
one can afford to lag behind the car of Progress.

The arrangement of the book has been still farther altered, by adding
another part, making nine in all, each part being devoted to a special
phase of the general subject, thus simplifying it, and making its
principles easier of application. Quotations have been freely made from
articles written during the past three years by the author,