Cinnamon is highly rich in antioxidants, which help in reducing oxidative stress. This in turn aids in slowing down cell degeneration, thus boosting immunity. The antioxidants also help in fighting the fee radicals that are responsible for major illnesses. The anti-inflammatory properties of cinnamon tea make it immensely useful in treating flu-like symptoms. Besides, cinnamon keeps the body warm, so a cup of cinnamon tea will not only bring down fever and improve a sore throat and blocked nose, but will also keep you warm and cozy.