Influence of Nutrition on Nasal and Bronchial Affliction in Patients With Allergy on Grass-Pollen

Influence of Nutrition on Nasal and Bronchial Affliction in Patients With Allergy on Grass-Pollen After Low-Dosed Specific Bronchial Provocation

The study is meant to observe the influence of nutrition on nasal and bronchial discomfort in patients with allergy on grass pollen after specific bronchial provocation. Therefore, the investigators will record the patients' nutrition habits and measure the blood level of long chained polyunsaturated fatty-acids.

Inclusion Criteria:

• age >12 and <45 years
• informed consent
• Known allergy on grass-pollen

Exclusion Criteria:

• age <12 and >45 years
• Clinical asthma requiring regular inhalation
• vital capacity >80%
• FEV1 < 75%
• Chronic disease
• pregnancy
• Inhalative or systemic steroid use
• substance abuse
• incapability of understanding the study's purpose and performance