Longer allergy seasons mean more anti-allergy efforts, from the March 2013 Harvard Health Letter

Although snow still blankets parts of northern states, spring allergy season is already underway in many parts of the country. It's starting earlier each year due to warmer weather patterns, reports the March 2013 Harvard Health Letter. "When winter is shorter and less severe, it means there will be pollens and molds present for a longer period of time," says Dr. Stacey Gray, an allergy expert at Harvard-affiliated Massachusetts Eye and Ear Infirmary.

As a result, people with allergies need to be more proactive when it comes to fighting allergy symptoms. In addition to using antihistamines, nasal sprays, or decongestants, it's important to take steps to minimize exposure to allergens such as tree pollen.

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