What Causes ADHD?

Related questions

1. Is ADHD a serious illness?
2. Are there stages of ADHD?
3. How do adults get medication for ADHD?
4. Is ADHD a learning disability?
5. Do I have undiagnosed ADHD?
6. Is ADHD bad parenting?
7. Are people with ADHD smarter?
8. Is ADHD similar to autism?
9. Can you get rid of ADHD?
10. How do they test adults for ADHD?

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2. #looking
3. #genetics
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6. #injuries
7. #brain
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12. #illnesses
13. #other
14. #might
15. #environment
16. #addition
17. #contribute
18. #possible
19. #nutrition
20. #probably
21. #studying