Danish scientists have confirmed that coming into contact with germs can make your body stronger.
The germs help build up your immune system, therefore reducing the risk of getting allergies.
Britain has the highest rate of eczema, asthma, hay fever and other allergies in Europe.
And allergies cost the NHS £1 billion each year.
But the study also concluded that having an infectious disease as a child did not make you immune to allergies as previously thought.
Hear story
Try our allergy quiz
I could be scarred for life
