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Dancers are kept in a perpetual state of pre-puberty, and for young girls in particular, that type of pressure breeds insecurities.

"Mia Wasikowska Talks Weight Obsession, Natalie Portman’s Ballet Dancing", www.huffingtonpost.com. March 24, 2011.
Dancers are kept in a perpetual state of pre-puberty, and for young girls in particular, that type of pressure breeds insecurities.