rves and gave me an appetite to eat. I then concluded to try
the Doctor, personally. Up to this time I was in a pitiable condition.
Sometimes I could not sleep until I felt almost wild, then sleep so much
I would be stupefied. I could not digest any food and my whole system
was wasting and failing fast. I doubt if any one who saw me expected me
to get well. I took the treatment sent me by the World's Dispensary
Medical Association for more than a year. The medicine never gave me any
distress as other medicines had done before. I began to improve from the
start, but the change from one extreme to the other was like the growth
of a child.

To any one suffering from nervous prostration I would say, "don't be
impatient." It takes a long time for weakened nerves to grow strong. I
have at last become strong and well, thanks to the Giver of all good and
the grand Institution at Buffalo. I nave since married a noble-hearted
young woman, and when I am playing with our sweet, healthy, baby girl, I
give way to the thought that at last the long, Bad chapter of my life is
ended; at such times her merry laugh sounds like a song of triumph of
life over death.

Gratefully yours,
W.S. NICHOLSON,
Willow Creek, Clay Co., Iowa.

* * * * *

DISEASES OF THE HEART.

Diseases of the heart are classified as either _functional_ or _organic_
We shall dwell only briefly upon purely _functional_ derangements of the
heart; as _increased_, or excited action, _defective_, or enfeebled
action, and _irregular_ action.

Increased action of the heart, indicated by palpitation, or increased
number of the beats, may be caused _mechanically_, as by distention of
the stomach, which, by preventing the descent of the diaphragm, excites
the action of this organ. Or it may be a _sympathetic_ disturbance
produced through the nervous system; thus the emotions and passions may
suddenly arouse the heart to excessive action; or the presence of worms
in the intestines, improper food, and masturbation, may be the cause.
The use of tea, tobacco, and alcoholic drinks excites the heart. We have
found that the excessive use of tobacco is very frequently the cause of
functional derangement of this organ. Deficiency of the blood, as in
anaemia, may be the cause of palpitation of the heart.

Functional disturbance of the heart's action is manifested by
palpitation, irregularity, intermissions, a rolling or tumbling