Scope Podcast: Winter Allergies - What Causes Them?
When you say allergies most people think of springtime: flowers, grasses,
trees, pollens. But winter allergies can also be a problem. From St. John's
Medical Center in Jackson, Wyoming,
Dr. Martin Trott
talks about why allergies happen year-round, and you'll be surprised
to find out some of the things that can cause allergies in the wintertime.