What is a skin biopsy for psoriasis?

If you notice any skin changes, a skin biopsy can be a way to diagnose whether or not it's psoriasis. In this video, dermatologist Ellen Marmur, MD, explains the simple procedure.

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.

Necrotizing fasciitis is a dangerous infection that can start suddenly and move fast. Spot the signs and know how to respond.

These six possible causes of hair loss may surprise you.

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