Health

Being in the wrong place can set off an allergic reaction

Allergic reactions can occur without being triggered by an allergen such as grass or birch pollen—it is enough for the patient to be back in the same place where she was previously exposed to the allergen, as researchers ...

Immunology

Nasal smear as an allergy screening test

130 million people in Europe suffer from hay fever and other forms of allergic rhinitis. Until now, these conditions have typically been diagnosed using blood samples or skin prick tests. The latter method is often seen as ...

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