Keeping Fit

Cover Keeping Fit
Keeping Fit
United States. Public Health Service
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DO NOTWORRY This is natural and happens to all healthy men and older boys.
Think no further about them.
The fluid discharged during sleep is net the secretion that goes to the muscle and brain.
It would not be possible for a boy to achieve the full vigor of manhood were it not for the reproductive or sex organs. This fact may be made clear by referring to the activity of the various glands in the body. Everyone is probably acquainted with the salivary glands, and the glands in the stomach which
... secrete the gastric juice. There are also glands which make secretions that are absorbed by the blood. One of these glands is called the thyroid. If a boy were seriously injured so as to necessitate the removal of the thyroid gland it would probably retard the development of his brain.
The testicles are glands which, like the thyroid glands, secrete an exceedingly important substance. The blood absorbs this sub- stance, or secretion, and carries it all through the body. It gives tone to the muscles, power to the brain, and strength to the nerves.


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