Why is biopuncture controversial?

Biopuncture is controversial because, like other modalities in alternative medicine, there is often little evidence to show the therapy works and is safe. Watch preventive medicine expert David Katz, MD, explain his concerns about biopuncture.

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An overview of early-stage and late-stage diabetic retinopathy, with a look at diabetic macular edema.

If you are living with nasal polyps, answering these questions may help you better understand your experience.

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The MRI is a painless procedure that can help diagnose a number of conditions.