(Retard-i-tis) 1 out of 3 humans have this disease. Retarditis is caused by multiple reasons, like being dropped on your head as a child, using way to many drugs which eliminate a persons brain cells.
Ways to spot Retarditis is
1 people who do stupid things multiple times a day.
2 people with learning and speak problems.
3 people who go to public places and act like a mentaly handicapped person.
Dave, "I think that kid on that short school bus has retarditis"