As winter turns to spring and the seasons begin changing, you'll start to see pollen-related products line the stores. To Japanese people, spring is very much a love and hate relationship. It's the season in which you can see the beautiful cherry blossom trees, but also the month in which a lot of people are affected by what is known as "hay fever". People wear masks, glasses, and drink medicine to try and lessen the effects of hay fever even just a little bit. Have you heard of hay fever before? We're going to explain all about it in this article!