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 ...

Once upon a December (or November for some of your overachievers), a cheerful holiday tree arrived in your home, sparkling with promise and smelling like winter. But before the ornaments could even ...