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1.
Refers to the sense of panic that occasionally surfaces in adolescents as a result of the feeling of not having done enough, whether it is regarding their academic or social life. Typically experienced around the ages of 15 to 16. Or, alternatively, could also refer to a feeling of worthlessness experienced around this age, but is not necessarily the result of depression.
Many teenagers experience a mid-teens crisis the summer before the eleventh grade as the reality of high-school graduation and preparation dawns on them.
by Nibsen June 22, 2010