It's a perennial debate: what role should the private sector have in Canada's public health-care system? The fact is, it's already part of the ecosystem.

Now, Doug Ford's government in Ontario is mulling the use of more private surgery clinics to alleviate pressures facing the public system.

The move is receiving praise by some, while others raise concerns over how an expanded role of for-profit health care could have negative effects downstream.

Today, Dr. Danyaal Raza explains those concerns. He's the former board chair of Canadian Doctors for Medicare, an assistant professor with the department of family and community medicine at the University of Toronto and a family physician.