US Pharm. 2014;39(3):49-50.
Children’s food allergies are slowly
increasing overall, but they may be as much as doubling among black
children. According to a study published in the Annals of Allergy, Asthma and Immunology, self-reported food allergy nearly doubled in black children over 23 years.
“Our research found a striking food
allergy trend that needs to be further evaluated to discover the
cause,” said Corinne Keet, MD, MS, lead study author and assistant
professor of pediatrics at Johns Hopkins University. “Although African
Americans generally have higher levels of IgE, the antibody the immune
system creates more of when one has an allergy, it is only recently
that they have reported food allergy more frequently than white
children. Whether the observed increase is due to better recognition of
food allergy or is related to environmental changes remains an open
Researchers analyzed 452,237 children
from 1988 to 2011. Of these children, it was found food allergy
increased among black children at a rate of 2.1% per decade, 1.2% among
Hispanics, and 1% among whites.