CNN's Dr. Sanjay Gupta discusses why allergy season is starting earlier and lasting longer than before, and offers tips on distinguishing between allergies and a cold.
Dr. Sanjay Gupta ... something that can suffer as we age. Gupta wears the toe spacers for about 10 to 15 minutes a day, and ...
Dr. Sanjay Gupta explains how to tell the difference between allergies and a cold ...