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{3) Could man survive without this influence? What would con-
ditions be like without the influence of research and
education?

d. The Power of Economic Resources
(1) Relation to housing; foed; shelter; education; reserrch;
medical training and medical care; stable government; re-
lations to individual, group, and intergroup constructive
hygiene,
e. The Pa_r of Government
(1) Organized, stable government is an enormous force in control
of human environment through mobilization of: scientific
information; control of education; defending people against
health injuries; etc.
f. The Power of Public Opinion

(1) Relation to government; local, state, national.

(2) Relation to education; to health control; to health defenses;
to living standards.

(3) Relation of education to public opinion; relation of public
opinion to each of the above.

5, Prevention and Care of Health Iniuries and to Alleviate Svffering
a. The power to prevent or alleviate health injuries grows out of
factors discussed above: viz., scientific information, balanced
education, economic resource, government, public opinion.
be The advances in medicine; growth in facilities to train scientific
physicians and competent nurses; provisions for hospitals; clinics;
sanitaria; conquest of pain and disease through anesthetics,

vaccines, serums, etc.,; better methods in surgery, etc.

ce. These statements relate more specifically to defensive hygiene and
will be taken up in more detail in Course 151.

REFERENCES:
*Storey, TeA.--Principles of Hygiene, Chaps. X and XI, pp 205-224

*Reauired