Respuesta :

iamroot404

1.your genes or your family history.

2.a traumatic brain injury

3 . biological factors like chemical disorders in your brain

4.your life experiences such as stress or a history of abuse.

emmy434
1. Your genes or family history

2. A traumatic brain injury

3. Biological factors like chemical disorders in your brain

4. Your life experiences such as stress or a history of abuse

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