Brooke Greenberg, American girl with a rare genetic disorder (b. 1993)
Brooke Megan Greenberg (January 8, 1993 – October 24, 2013) was an American who remained physically and cognitively similar to a toddler, despite her increasing age. She was about 30 in (76 cm) tall, weighed about 16 lb (7.3 kg) and had an estimated mental age of nine months to one year. Brooke's doctors termed her condition Syndrome X.