The main forces spurring health care mergers

A woman waits outside of a CVS MinuteClinic.
CVS Health, owner of MinuteClinics, is trying to buy Aetna. Photo: Dina Rudick/The Boston Globe via Getty Images

"Attractive" profit margins and an aging population are the main reasons for the rush of health care mergers and acquisitions, according to a survey of health care and private equity dealmakers conducted by consulting firm West Monroe Partners.

Reality check: Even though health care players say "value-based care" drives their decision-making, the survey is a candid reminder a lot of the industry is driven by making money rather than improving care.