Drs. Konstantinos Lazaridis, Matthew Ferber, and Eric Klee, from the Individualized Medicine Clinic at Mayo Clinic in Rochester, MN, share results published in the March 2016 issue of Mayo Clinic Proceedings, of their foray into the use of whole-exome sequencing to diagnose rare and difficult diseases, which in turn offers future promise for individual diagnostic sources for the general patient population. Available at: http://tinyurl.com/jupfzwa