Suffering from hay fever, and taking hay fever medication, can affect exam results at the end of secondary school, research suggests. Exposure to pollen can lead to poorer exam results, with the biggest impact on subjects involving maths, including physics and chemistry, a study found. Experts writing in the Journal of Epidemiology and Community Health said the effect of pollen needs to be taken into account. They said: “From the point of view of further education studies and employment, it is