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Brooke Greenberg (born January 8, 1993), is an American from Reisterstown, Maryland, who has remained physically and cognitively similar to a toddler, despite her increasing age. She is about 30 inches (76 cm) tall, weighs about 16 pounds (7.3 kg), and has an estimated mental age of nine months to one year. Brooke’s doctors have termed her condition Syndrome X.
