Originally Posted by Rey
Hartmann said it was for add i think.
Right, but people were curious if that was the real reason because there can be some problems using ritalin to treat ADD in some adults. Using it to treat adults was considered an "off-label" use last time I looked. It is intended primarily for treating that disorder in children and teenagers.
(Off-label doesn't mean it's prohibited for other uses, it's just not the primary purpose as approved by the FDA)