brain mapping: functional MRI and DTI. Functional MRI (magnetic resonance imaging) is a noninvasive diagnostic test that measures small changes in blood flow as a person performs tasks while in the MRI scanner. Functional MRI detects the brain in action (e.g., speaking or moving).
Back injections may help treat two major back pain problems: radiculopathy and spinal stenosis. Doctors also use injections for other types of back pain. Sometimes, they also use them to help find out what's causing the pain. Radiculopathy refers to inflammation or damage to a nerve usually in the neck or the low back.
When talking about painkillers, itâs important to understand the difference among products. There are four main types of oral analgesics that are available without a prescription: naproxen (brand name Aleve), ibuprofen (brand names Advil and Motrin), aspirin, and acetaminophen (brand name Tylenol). Naproxen and ibuprofen work in the body the same and have the same side effects.