Levels of iron in the brain could be a warning sign of future Alzheimer’s disease, a new study suggests. High levels of the chemical element have been shown to increase brain toxins and trigger ...

Since patients with ballistic embedded fragments are frequently denied MRI (due to indeterminate bullet composition sans shell casings), radiography and CT can be used to identify nonferromagnetic ...

Magnetic resonance imaging (MRI) doesn't use X-rays, so there's no radiation exposure. Yet this test isn't safe for everyone. There are a few reasons why you might need to avoid MRI and choose another ...