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Department of Animal Science, North Carolina State University, Raleigh
ABSTRACT
The allergic reaction manifested by many humans following ingestion of cows' milk has public health significance. It is not a problem that can be dealt with by enacting and enforcing laws. Of special interest are the recently published experiments which demonstrated previously unsuspected physiopathological evidence for allergy to cows' milk.
(1) Clinical symptoms of allergy to foodstuffs. Two reviews on allergy to cows' milk are those by Dees (2) and Stanfield (8).
Collins-Williams (1) estimated that clinically recognizable sensitivity to cows' milk occurred in 0.3 to 7% of children.
It is often difficult to recognize symptoms of an allergy, since the cause and effect may be rather remote. Some of the classical symptoms of a food sensitivity are headache, dizziness, abdominal pain, loose stools, irritability, rhinitis, and otitis media.
(2) Etiology of sensitivity. Heiner (5) suggested that age, infection, emotional stress, and ontogeny seem to play a role in the apparent sensitivity to ingested proteins.
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