One source of Christmas joy may make some feel not so holly and jolly. If you decorate your home for the holidays every year, but feel downright awful as soon as the tree goes up, you could be dealing ...

Every Christmas, it’s the same story for some households. The tree goes up, and within a day or two, you’re sneezing, congested, itchy-eyed and wondering why you suddenly feel awful. If that sounds ...

The holiday season is supposed to be filled with joy, cozy sweaters, and the warm glow of twinkling lights. But for millions of people, December brings something less festive: worsening allergies, ...