They are exercising to maintain their present medical status, not "prevent" the disease.

Boston never returned to Toronto and his medical status is unknown.

I will let you know what the doctor tells me about their medical status.

Jones's medical status is, in certain circles, a well-known fact.

But we can't do that unless you tell us what you know about his medical status.

It is the employer's perception which matters, not the employee's medical status.

Patients motivations and expectations are an important factor in order to determine the patient's medical status.

He didn't know them or their medical status.

All I'm given is the patient's name, room number, and medical status.

And I don't know what his medical status was.