Understanding allergies, from symptoms to treatment, genetics to environmental factors, and the likelihood of twins sharing ...

On the other hand, in the fall, weed pollen such as swine grass and mugwort causes allergic reactions.Interestingly, ...

If it feels like you're having a particularly hard time with Portland's spring seasons, there's a reason for that; one local expert said the Willamette Valley is particularly bad for allergies because ...

Spring is so beautiful, but it makes me miserable because my allergies kick into high gear. How can I find some relief?