The Chinese mountainous region of Guizhou is famous for its sheer number of centenarians. After 10 years of research, scientists discovered a common link among these long-lived people: daily consumption of sweet tasting jiaogulan tea. The centenarians also had very low incidences of Alzheimer's, cancer, diabetes and high blood pressure. Researchers believe such disease-free longevity is due to the abundance of antioxidants and saponins found in the herb. Read more »