Long live the monarchy! British royals tend to survive a full three decades longer than their subjects
- Written by S. Jay Olshansky, Professor of Epidemiology and Biostatistics, University of Illinois at Chicago

In the U.K. it is customary to receive a personalized message from the queen on your 100th birthday – such is the relative rarity of reaching the milestone.
Prince Philip was just a couple months off, dying at the age of 99 years and 10 months on April 9, 2021. The last notable...