Seasonal allergies affect about 60 million people in the United States each year, with tree pollen acting as the main trigger in early spring. Doctors say starting treatment early is key, as symptoms ...

Pollen seasons are now ‘longer and more intense’, say experts. Here is what to know about allergy treatments and when to seek medical help ...

When trees leave winter dormancy and wilted flowers bloom again, the changing weather brings with it allergies of various ...

Seasonal allergies are getting worse in Canada, with longer and stronger pollen seasons, largely thanks to climate change.

Add Yahoo as a preferred source to see more of our stories on Google. Tree pollen levels are already high in parts of Puget Sound and across the U.S., as a warmer-than-average winter extends allergy ...

Here's 5 things to know about seasonal allergies in NE Ohio, including the best ways to treat symptoms.

This is the largest Darlington oak in the country and — after dropping its banana-shaped leaves in the fall and resting bare ...