You might not see this bill coming if you don't know the ins and outs of your annual free visit.

If you already head to the doctor’s office once a year for an annual physical: good job. If you don’t, let this be your reminder to go ahead and book that appointment—and perhaps let go of some of ...

Blumberg is a contributor for TIME. Blumberg is a contributor for TIME. If you already head to the doctor’s office once a year for an annual physical: good job. If you don’t, let this be your reminder ...