Learn why the R-word, R-worded, or any form of the phrase "mental retardation" is no longer an acceptable way to describe ...

An adult with mental retardation who commits a murder should be held legally accountable (assuming the retardation is not so profound as to render him or her incompetent to stand trial).

Dude, Nina is like a little kid. I'm telling you, I don't know if it's the autism or retardation, but she is like a f**king child if you get to know her." ...

The metabolic basis of postnatal growth retardation (PGR) in piglets is not yet clear, but it is characterized by poor ...