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Common needle biopsy procedures include fine-needle aspiration biopsy and core needle biopsy. Find out about…

Learn about bladder reconstruction to restore urinary function after bladder removal surgery, including how it's…

Learn about surgery to remove all or part of a kidney.

Learn about symptoms, risk factors and possible treatments for this rare disorder in people with…

Swelling around your feet and ankles is a common sign of this condition that occurs…

Nervous breakdown isn't a medical term. It most often means a mental health crisis that…

Learn more about this container designed to rinse debris or mucus from the nasal cavity.

Learn more about the symptoms, diagnosis and treatment of neuroblastoma, one of the most common…

Learn about this itchy skin condition that can disrupt your sleep and daily activities. Treatment…

Learn about the types of tumors that make up this group of rare cancers. Find…

Learn about this type of peripheral nerve tumor that forms a soft bump on or…

This genetic condition causes tumors on nerve tissue. Surgery and other therapies can manage symptoms.

These questions and procedures can help healthcare professionals identify nervous system conditions.

Understand more about this condition that affects the spinal cord and eye nerves and is…

Some Neurontin side effects can be troubling and require an exam by your healthcare professional.

Learn what can cause a lack of certain white blood cells.

A simple blood test done in a doctor's office can help to diagnose Alzheimer's disease.…

Get the facts about when to wake a sleeping baby for a feeding.

Learn how the body uses this supplement and how it might help manage cholesterol.

When niacin is taken as prescribed for high cholesterol, overdose is unlikely.

This B vitamin can boost levels of high-density lipoprotein — also called HDL — cholesterol,…

Nickel allergy is an immune system reaction to nickel. This metal is often in jewelry,…

Learn about the chemical in tobacco that makes it hard to stop smoking. Then find…

A condition passed down in families that affects how the body breaks down and uses…

Find out about this common nighttime pain in the calf, foot or thigh and how…

Learn what conditions and medications might cause these sleep-disturbing sweats.

Nightmare disorder involves disturbing or scary dreams that awaken you, causing distress or preventing adequate…

"Alarm clock" (hypnic) headaches wake people up. But other nighttime headaches also can disrupt sleep.…

Nighttime panic attacks can cause sweating, rapid heart rate, trembling, shortness of breath, heavy breathing,…

Fluid leaking from the nipples isn't often a sign of breast cancer. Learn more about…