Health encyclopedia: N


 * nail diseases
 * narcissism also see personality disorders
 * narcolepsy also see sleep disorders
 * narcotics also see drug abuse; pain relievers
 * nasal cancer


 * nasal disorders also see nose injuries and disorders
 * nasopharyngeal cancer also see throat cancer
 * native american health
 * natural disasters also see earthquakes; fires; floods; hurricanes; tornadoes; tsunamis; volcanoes; winter weather emergencies
 * nausea and vomiting


 * nearsightedness also see refractive errors
 * neck injuries and disorders
 * necrotizing fasciitis also see staphylococcal infections; streptococcal infections
 * neoplasms also see cancer
 * nephritis also see kidney diseases


 * nephroblastoma also see wilms' tumor
 * nephrolithiasis also see kidney stones
 * nerve diseases also see neurologic diseases
 * nervous system diseases also see neurologic diseases
 * neural tube defects


 * neuroblastoma
 * neurodegenerative diseases also see degenerative nerve diseases
 * neurofibromatosis
 * neurogenic bladder also see bladder diseases
 * neurologic diseases


 * neuroma, acoustic also see acoustic neuroma
 * neuromuscular disorders
 * neuropathy also see peripheral nerve disorders
 * nevus also see birthmarks; moles
 * newborn screening


 * niacin also see b vitamins
 * nicotine also see smoking
 * niemann-pick disease also see genetic brain disorders
 * night terrors also see sleep disorders
 * nocturnal enuresis also see bedwetting


 * noise
 * non-hodgkin lymphoma also see lymphoma
 * non-insulin dependent diabetes mellitus also see diabetes type 2
 * non-prescription drugs also see over-the-counter medicines
 * non-small cell lung cancer also see lung cancer


 * nontropical sprue also see celiac disease
 * norovirus infections
 * norwalk virus infections also see norovirus infections
 * nose injuries and disorders
 * nosebleed also see nose injuries and disorders


 * nuclear scans
 * nursing homes
 * nut allergy also see food allergy
 * nutrition
 * nutrition and pregnancy also see pregnancy and nutrition


 * nutrition for seniors
 * nutrition labeling also see food labeling
 * nutrition, child also see child nutrition
 * nutritional support
 * nystagmus also see eye movement disorders