By Kyle J. Norton Dang Qui (Angelica root) may be used alone and conjunction with other herbs in reduced blood glucose of patient with diabetes new study suggested. According to the 2011 statistic from National Diabetes InformationClearinghouse (NDIC), among U.S. residents ages 65 years and older, 10.9 million, or 26.9 percent, had diabetes in 2010, …