Alternative medicine
Learning Center
Cervical dysplasia: Is it cancer?
Learn what to expect if a Pap test shows cells that look different from typical cervical cells. Follow-up tests might include HPV testing and colposcopy.
Cholesterol level: Can it be too low?
A high cholesterol level is unhealthy — rarely, very low cholesterol may pose risks, too.
Cholesterol ratio or non-HDL cholesterol: Which is most important?
Non-HDL cholesterol may be more important than cholesterol ratio.
Cholesterol test kits: Are they accurate?
Home cholesterol test kits are often as accurate as the test a health care professional uses, but the quality of results can depend on how well you follow the directions for the test.
Colloidal silver supplements: Are they safe?
Colloidal silver supplements are often promoted as cure-alls, but evidence of effectiveness is lacking. Side effects range from change in skin color to organ damage.
Colon cleansing: Is it helpful or harmful?
Get the facts before you try this technique that's popular among some people who practice alternative medicine, who claim it has many health benefits.
Detox foot pads: Do they really work?
Do detox foot pads really draw toxins out of your body while you sleep?
Do infrared saunas have any health benefits?
How is an infrared sauna different from a traditional sauna? Light provides the heat.
Does prickly pear cactus have health benefits?
Have you heard about prickly pear cactus? Find out about some surprising health benefits of this versatile plant.
Doppler ultrasound: What is it used for?
A Doppler ultrasound measures blood flow and pressure in blood vessels.
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