Sneezing More? Temperatures Are Supercharging Your Allergies

If your seasonal allergies feel worse than ever, you can thank temperature changes for ramping up pollen, creating longer allergy seasons, higher airborne allergen levels and more intense itchy eyes, sneezing and runny noses. Scientists warn certain conditions are causing tree pollen, ragweed and mold to spread farther and thrive longer, making spring allergies a growing problem for millions.