Every autumn, cooler air and colorful leaves bring something else along for the ride: a wave of sniffles, sneezes, and scratchy throats. It can be hard to know if you are dealing with fall allergies or a cold, especially since both conditions share so many overlapping symptoms. Ragweed pollen peaks in the Northeast during this season, and mold spores thrive in piles of damp leaves, which means allergy season and cold season often collide. Telling ...