Researchers at Harvard University found that drinking five cups of black tea a day quadrupled the body’s immune defense system after two weeks, probably because of theanine.
 
Read the article
Source: http://www.mnn.com/health/fitness-well-being/photos/10-flu-fighting-foods/tea#ixzz3RSZdf9U3

Posted 2/11/15

The preceding materials related to health information are provided for educational purposes only.
Tea and tea containing products are not intended to treat, cure or prevent any disease or illness. You should always consult a physician regarding the applicability of any information or recommendations with respect to any symptoms or medical condition.
Bigelow is not responsible for the content contained in third-party studies. Bigelow provides these studies for reference, and this does not represent an endorsement or responsibility for the content of such third-party studies.