With the pollen season now in flow, here are 10 interesting things you might now know about pollen.
1. In some people there is a correlation between pollen levels and anxiety.
According to the International Journal of Child Health and Human Development, high pollen levels can affect anxiety levels in people with recurrent mood disorders, such as bipolar.
2. Your pets can get hayfever.
Yes, like us cats and dogs can get hayfever. If you think your pet might have hayfever or would like help identifying it, take a look at our How pollen allergies affect you and your pets page to see what you can do to help.
3. The pollen season lasts longer than you may think.
The pollen season can start as early as January and end as late as November. Our pollen forecast is now live, click to find the latest Pollen forecast.
4. Hayfever affects 1 in 5 people
5. Spiderlings eat pollen.
Although usually carnivorous, spiders feed pollen to their young. It's not known how they manage to eat it though, since their mouths are not large enough.
6. It can fight crime.
Well not quite; pollen is used in forensics to determine where a person or object has been. It has even been proposed that pollen is added to bullets to enable them to be tracked.
7. Alcohol worsens the effects of pollen.
Beer, wine and other spirits contain histamine - the chemical that sets off allergy symptoms in the body.
8. Pollen is first observed in rocks over 120 million years old.
It's a critical component of natural selection in plants.
9. Rain can be bad news for hayfever sufferers.
It helps the grass grow well and if it's followed by dry weather there will be higher levels of pollen.
10. Air quality and pollen.
Urban areas tend to have lower pollen counts than the countryside, but pollen can combine with air pollution in the city centre and bring on hay fever symptoms. It’s not just in the summer months either; it can peak as early as April and May.