Hay fever: Do allergies change over time?

From asthma to shellfish allergies, hay fever may be just the start of a cascade of related conditions. What's more, we could become more susceptible with age
#Immunology x
#ENT x
#Allergy x
#Respiratory x
#PulmonaryMedicine x
#Hypersensitivity x
#Asthma x
#Shellfish x
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