Washington Post, Ashley Halsey: As the U.S. goes through a nasty flu season in 2017-18, the 1918 nightmare serves as a reminder that a century of modern medicine might not save millions from dying.

Caldwell Esselstyn and co-authors, Cleveland Clinic: Though current medical and surgical treatments manage coronary artery disease, CAD, they do little to prevent or stop it. Nutritional intervention, as shown in this study and others, has halted and even reversed CAD. Diagnostic nuclear medicine, PET, positron emission tomography, plays a key role in documenting these facts.