The disease 'Asthma,' which is characterized by periodic attacks of spasms of the bronchial tubes should not be confused with conditions having as a symptom difficult or rapid breathing such as heart and kidney disease, arteriosclerosis (hardehed arteries), thyroid gland disturbances (goiter), and overweight.
It is therefore very important that anyone having an asthmatic tendency receive a thor¬ough examination to determine whether the condition is really 'asthma' rather than a manifestation of some constitutional disease.
Causes. 'True asthma' is probably due in practically all cases to a 'hypersensitiveness' on the part of the individual to some bac¬teria, pollen, or other protein substance. As¬sociated with this condition of hypersensitivity there is frequently found a chronic irritation of the nose or throat, less frequently disease of the ear. Chronic bronchitis is often associated with asthma and frequently an acute inflammation of the lining membranes of the upper air passages will be the causative factor, particularly in persons hypersensitive to pollens.
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