In the United States and Canada, the terms learning disability, learning disabilities, and learning disorders (LD) refer to a group of disorders that affect a...
Lumbar Puncture
A lumbar puncture (also called a spinal tap) is a procedure to collect and look at the fluid (cerebrospinal fluid, or CSF) surrounding the brain...
Meningitis
What is meningitis? Meningitis is an infection of the coverings around the brain and spinal cord. The infection occurs most often in children, teens, and...
Mental Retardation
Mental retardation is generally characterized by significantly sub-average intellectual functioning (IQ of 70 or below), but different degrees of severity of mental retardation exist based...