What is a focused ultrasound?

A focused ultrasound is a non-invasive cancer treatment. Bradford Wood, MD, senior investigator at the National Institutes of Health, explains how a focused ultrasound works to treat tissue and deploy drugs.

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.

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

Follow these tips to soothe your baby during—and after—these essential procedures.

Does this common vegetable oil increase the risk of heart disease and cancer? Get the facts.