Condition Library
Conditions starting with N
19 health topics beginning with the letter N.
- Nail DiseasesThe health of your fingernails and toenails can be a clue to your overall health. Read about diseases that can affect your nails and about nail care.
- Nasal CancerCancer of the nasal cavity and paranasal sinuses is rare, but you are at a greater risk if you are a smoker. Learn other factors increase your risk.
- Nausea and VomitingYou call it barfing, puking, or throwing up; your doctor calls it vomiting. Read more about nausea and vomiting and the conditions that cause them.
- Neck Injuries and DisordersNeck pain is very common and can happen for many reasons, such as overuse, muscle strain, or whiplash. Learn how to relieve neck pain.
- Neural Tube DefectsNeural tube defects are birth defects of the brain, spine, or spinal cord. They happen in the first month of pregnancy. Learn how to prevent them.
- NeuroblastomaNeuroblastoma is a cancer in nerve tissue in the adrenal gland, neck, chest, or spinal cord. It often affects young children. Read about treatments.
- NeurofibromatosisNeurofibromatosis (NF) is a genetic disorder that causes tumors to grow on nerves. Learn about the types, their symptoms, and how they are treated.
- Neurologic DiseasesYour nervous system includes your brain, spinal cord, and nerves. Learn about neurologic diseases, including their symptoms, causes, and treatments.
- Neuromuscular DisordersNeuromuscular disorders affect the nerves that control your voluntary muscles. Many are genetic. Read about different disorders and treatments.
- Newborn ScreeningYour newborn infant has screening tests before leaving the hospital. Get the facts about these tests and what you should expect.
- NoiseSounds that are too loud can damage sensitive structures of the inner ear and cause noise-induced hearing loss. Learn how to protect your hearing.
- Non-Drug Pain ManagementThere are risks to taking pain medicines, especially opioids. Learn about different techniques and treatments which may help you manage your pain without taking medicines.
- Norovirus InfectionsNoroviruses are a group of related viruses that cause symptoms like nausea and diarrhea. Learn about the proper treatments for Norovirus Infections.
- Nose Injuries and DisordersThere are many problems that can affect the nose including a deviated septum, nasal polyps, nosebleeds, rhinitis, and nasal fractures. Learn more.
- Nuclear ScansNuclear scans use radioactive substances to see structures and functions inside your body. Read about how the test is used and what to expect.
- Nursing HomesA nursing home is a place for people who don't need to be in a hospital but can't be cared for at home. Learn about choosing a nursing home.
- NutritionFood provides the energy and nutrients you need to be healthy. It is important to eat a variety of foods to get all the nutrients you need. Learn more.
- Nutrition for Older AdultsStudies show that a good diet in your later years reduces risk of osteoporosis, high blood pressure, heart diseases, and certain cancers. Read more.
- Nutritional SupportNutritional support is therapy for people who do not get enough nourishment by eating or drinking. Read about the process of gaining nutrients.
Source: MedlinePlus.gov, U.S. National Library of Medicine.