Although dementia is uncommon in adolescents and young adults, some young adults can lose cognitive skills and social function. Which of the following is a common cause?

Question

Quizplus · Accepted Answer

Head injury (formerly caused "concussion," but now referred to as "traumatic brain injury") is a cause of loss of mental acuity in the young, especially in those who participate in contact sports, or in adolescents who suffer head trauma. In boxers, repeated head injury has been shown to cause a Parkinson disease-like syndrome called dementia pugilista (a "pugilist" is a fist fighter). None of the other illnesses listed in this question are associated with dementia in adolescence or young adulthood.

Although Dementia Is Uncommon in Adolescents and Young Adults, Some