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Learn more from the Rodale.com news archive:

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Is That Scan Really Necessary?

What you can do: Before undergoing any scan, ask your doctor why he or she has ordered it—and if he or she stands to gain financially from the scan.

What Your Doctor Isn’t Telling You Could Be Lethal

What you can do: If you haven’t heard back from your doctor’s office two weeks after a test, call them to get the results.

Are We Scanning Ourselves Sick?

What you can do: If you're healthy and your doctor suggests CT scans for preventive screenings, question it and get a second opinion.

Protect Your Electronic Health Records

What you can do: Read the find print before signing up for commercial personal health records—you may be sharing info with insurance companies.

Are You a Cyberchondriac? Here's the Cure

What you can do: Favor symptom checkers from reliable sources for online medical information that won't send you down a rabbit hole of worry.