4 medical tests you may not really need

Medical tests can save lives, but do you need every test your doctor orders?Vonda Wright, MD, reveals when you should say "no, thanks" to X-rays, pap smears, an ECG, or bone-density test.

Over-testing can add costs and could reduce your quality of care.

Preventive screenings can help diagnose conditions and catch medical issues early.

Detect diseases early with these crucial tests.

Don't pass on regular visits to a provider without considering these important facts.

These simple, expert-approved health tips could save your life.