A, Key curcumin discoverers (courtesy: JP Synder, Emory University, Atlanta, GA). B, Chemical structure of curcumin. C, The first article published in Nature showing curcumin's anti-bacterial activity (image used with permission from the Nature Publishing Group). D, The number of publications on curcumin has increased remarkably over the years (source: www.ncbi.nlm.nih.gov/sites/entrez).