That question is unsettled. Some say you are immune to the pollen allergy if you grew up to the adult without allergy. Some say you will develop allergy even af

That question is unsettled. Some say you are immune to the pollen allergy if you grew up to the adult without allergy. Some say you will develop allergy even after entering the adult age if you are exposed to a lot of pollen. I was born in Japan and am living in Tokyo for 6 years. I have no pollen allergy for now fortunately.