Peppermint tea has known antibacterial properties, which are the cause of so many illnesses, including fevers, coughs and colds. Not only can drinking this delicious tea help you treat the symptoms of being ill, it can also prevent your body from getting sick in the first place! There are also trace elements of vitamin B, potassium, antioxidants and calcium, which can help your body uptake nutrients to fight off illness and perform necessary function to keep your body working in a healthy way.