Chapter I: Front Matter

PREVENT LIFE-WASTE--UPBUILD NATIONAL VITALITY

_Directors_

Hon. William H. Taft
Henry H. Bowman
Francis R. Cooley
Robert W. de Forest
Irving Fisher
Eugene Lyman Fisk
Harold A. Ley
Elmer E. Rittenhouse
Charles H. Sabin
Frank A. Vanderlip

HON. WILLIAM H. TAFT
_Chairman, Board of Directors_

ELMER E. RITTENHOUSE
_President_

GEN. W. C. GORGAS
_Consultant, Sanitation_

PROF. IRVING FISHER
_Chairman, Hygiene Reference Board_

EUGENE L. FISK, M.D.
_Director of Hygiene_

HAROLD A. LEY
_Vice-president and Treasurer_

JAMES D. LENNEHAN
_Secretary_

The Institute was established by a group of scientists, publicists, and business men, who desired to provide a self-supporting central institution of national scope devoted to the science of disease prevention--a responsible and authoritative source from which the public might draw knowledge and inspiration in the great war of civilization against needless sickness and premature death.

LIFE EXTENSION INSTITUTE, Inc.
25 WEST 45th STREET :: NEW YORK CITY

HOW TO LIVE

HOW TO LIVE

RULES FOR HEALTHFUL LIVING
BASED ON MODERN SCIENCE

_AUTHORIZED BY AND PREPARED IN COLLABORATION_
_WITH THE HYGIENE REFERENCE BOARD OF THE_
_LIFE EXTENSION INSTITUTE, INC._

BY

IRVING FISHER, _Chairman_,
PROFESSOR OF POLITICAL ECONOMY, YALE UNIVERSITY

AND

EUGENE LYMAN FISK, M.D.,
DIRECTOR OF HYGIENE OF THE INSTITUTE

_NINTH EDITION_

FUNK & WAGNALLS COMPANY
NEW YORK AND LONDON
1916

COPYRIGHT, 1915, BY
FUNK & WAGNALLS COMPANY
(Printed in the United States of America.)

* * * * *

_Published, October, 1915_
_Second Edition, November, 1915_
_Third Edition, December, 1915_
_Fourth Edition, March, 1916_
_Fifth Edition, April, 1916_
_Sixth Edition, May, 1916_
_Seventh Edition, June, 1916_
_Eighth Revised Edition, September, 1916_
_Ninth Edition, September, 1916_