It also examines various theories about the cause of food allergies, including the «hygiene hypothesis» (i.e., our children's environments are too sterile) and the theory that vitamin D may play a role (
doctors in cold states write three to four times as many prescriptions for epinephrine than doctors in warm states).
The findings, reported
in tomorrow's issue of Science, * hold out the hope of diminishing a malady almost as common as the common
cold: UTIs send 1.5 million people — mostly women — to the hospital each year
in the United
States alone, and 7 million more to their
doctors.