[MargaretR]

I have avidly web researched the topic.
My severe problem was caused by 'sheer density' and 'close proximity' to those trees. Airborn pollen travels hundreds of miles, but it is most concentrated at its source (on my doorstep !)

I like trees and enjoyed living near them. Over the 10 years I have lived here they have increased in size and output. Like many sensitivities the health effects are cumulative - I have reached my tolerance limit.