Danger from hay fever: One in three develops asthma!.. As of: April 2, 2024, 4:39 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 confirms again what Prof. Jürgen Behr, head of the LMU Lung Clinic, has been warning about for years.