Many hospitals are adding billions of dollars in fees for routine care in outpatient centers they own, raising patient costs for colonoscopies, mammograms and heart screenings, a new investigation found.

Collectively, people under age 27 now account for more than one-third of all hires — and almost 17% of the total workforce.

Montana and North Dakota workers are the most punctual, tallying just 10 minutes of lateness a week.

The savings are not yet realized, says the Congressional Budget Office, which projects a 10-year cumulative savings of $161 billion from the phased-in drug negotiation, as well as a rebate for price increases above the inflation rate.