Despite how you may feel, you're not the only one suffering from the runny or stuffy nose and dry, red eyes of nasal allergies. At least 25% to 30% of the US population has allergic rhinitis, and the number is rising. Recent studies in the US and Europe suggest that as many as 1 out of every 4 people may suffer from seasonal and year-round nasal allergies. That makes it the most common chronic respiratory illness.
What's the poison in poison ivy that's so bad for your skin? Learn about this frustrating plant poison.
Allergies are the result of the immune system's mistaken response to a harmless substance like pollen, dust, or pet hair. The response can range from watery eyes to non-stop sneezing.