Danger from hay fever: One in three develops asthma!.. As of: April 5, 2024, 5:31 p.m By: Susanne Sasse CommentsPressSplit For many people, hay fever is simply an annoying side effect of spring.

But be careful: anyone who takes the runny nose and watery eyes lightly is running a big risk: one in three children with hay fever will develop asthma. A study from Sweden (title: Natural course of pollen-induced allergic rhinitis from childhood to adulthood: A 20-year follow up) now confirms again what Prof. Jürgen Behr has been warning about for years.