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3. Unclog sinuses

Ever experience a cooling, opening effect on your airways after eating a breath mint or sipping peppermint tea? What you’re feeling is menthol—one of the active compounds in peppermint—at work. Research demonstrates that menthol improves the perception of airflow in your nasal cavity. Additionally, the antibacterial, antiviral and anti-inflammatory properties in peppermint may relieve infection-induced sinus clogging.