Mind, Character and Personality, Volume 2 - Ellen G. White

for the Church 4:64 (1876).
Mental Depression From Poorly Ventilated
Rooms.—The effects produced by living in close,
ill-ventilated rooms are these: The system becomes
weak and unhealthy, the circulation is depressed,
the blood moves sluggishly through the system
because it is not purified and vitalized by the pure,
invigorating air of heaven. The mind becomes
depressed and gloomy, while the whole system is
enervated, and fevers and other acute diseases are
liable to be generated.—Testimonies for the
Church 1:702, 803 (1868).
Depression and Gloom Result of Insufficient
Oxygen.—The lungs should be allowed the
greatest freedom possible. Their capacity is
developed by free action; it diminishes if they are
cramped and compressed. Hence the ill effects of
the practice so common, especially in sedentary
pursuits, of stooping at one’s work. In this position
it is impossible to breathe deeply. Superficial
breathing soon becomes a habit, and the lungs lose
their power to expand
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