Brooke Greenberg is a 20-year-old lady but after a glance at her, you need nobody to tell you "she's a toddler". She was born in 1993, yet somehow both her mind and her body failed in developing beyond infancy.Brooke Greenberg is a 20-year-old lady but after a glance at her, you need nobody to tell you "she's a toddler". She was born in 1993, yet somehow both her mind and her body failed in developing beyond infancy.