The stresses on millennial health have increased over previous generations requiring more preventative care according to this study by Blue Cross Blue Shield:
https://www.bcbs.com/dA/17117d2b3e/fileAsset/HOA-Millennial-Health_2019.pdf
Reposted by Ruth Paget, author Eating Soup with Chopsticks and Marrying France and developer of the Novgorod and Bento War Games