In the following annual review our aim has been to select a few articles which show the present trend of the literature on allergy. Some of the articles chosen present new ideas. Others repeat studies already reported and are referred to here because of a fundamental importance which should again be called to the attention of the readers.
CAUSES OF ALLERGY
Foods.—Bowen1 reports 5 cases of urticaria caused by the ingestion of karaya gum. This substance at present is used in many preparations prescribed for increasing the bulk of stools. It is used also in dental powders, tooth paste and in a number of gelatin preparations.Molds.—Rackemann2 reviewed the literature on the relation between molds and hay fever and asthma. He concludes that many atypical cases of hay fever may be accounted for by sensitivity to molds. The occurrence of molds in household dusts also accounts for the fact
DUKE WW, KOHN CM. ADVANCES IN THE FIELD OF ALLERGY AS RELATED TO OTOLARYNGOLOGY DURING THE YEAR 1939. Arch Otolaryngol. 1940;31(4):687–697. doi:10.1001/archotol.1940.00660010692013
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