L
La Crosse Encephalitis
Lambert-Eaton Myasthenic Syndrome     
Landau-Kleffner Syndrome
Lassa Fever
LCM, LCMV (Lymphocytic Choriomeningitis, Lymphocytic Choriomeningitis Virus)
Lead Poisoning
Leading Causes of Death
Learning Disabilities
Learning limitations
Legacy for children
Legionellosis
Leigh's Disease
Leishmaniasis
Lennox-Gastaut Syndrome  
Leprosy
Leptospirosis
Lesch-Nyhan Syndrome
Leukodystrophy  
Leukoencephalopathy, Progressive Multifocal (PML)  
Lewisite (L, L-1, L-2, L-3)
Lice Infestation (Body Lice, Head Lice, Pubic Lice)
Limb Loss
Lissencephaly  
Listeriosis
Loa loa Infection
Locked-In Syndrome  
Low Vision
Lupus, the neurological sequelae of  
Lyme Disease, the neurological sequelae of   
Lymphatic Filariasis
Lymphocytic Choriomeningitis (LCM)
Lymphocytic Choriomeningitis Virus (LCMV)