Original sentence: In Galician, mensa is similar to (and often confused with) pensa (imperative for think).Statistically, about six million people in the United States alone qualify for membership, of whom 50,000 (less than 1%) have joined.The word menso (feminine: mensa) means "jerk" in parts of Latin America,  and the word mensa is used in Spanish slang to mean "stupid"
Edited sentence: In Galician, mensa is similar to (and often confused with) pensa (imperative for think), providing an interesting relation.Mensa's name may also seem ironic in parts of Latin America, where menso (feminine: mensa) means "jerk", and the word mensa is used in Spanish slang to mean "stupid".Statistically, then, about six million people in the United States alone qualify for membership, of whom 50,000 (less than 1%) have joined