The pending merger between CVS Health Corp. and Aetna Inc.their grand experimentstands to disrupt current health care models in more ways than one, experts say.

Not only do many small businesses refrain from offering formal retirement savings programs, even their owners don't have retirement plans.

According to the most recent survey on vision benefits from Transitions Optical, millennial and Gen Z employees are significantly less likely to enroll in or utilize a vision plan than their older peers.

Amazon is aiming at becoming the go-to medical supply house not just for hospitals, but also for outpatient clinics, and it plans to dominate sales from gauze to hip implants.