Cause+Theories

== Although the cause of ADHD is still unknown, There Are Two Major Cause Theories.

Genetics/Hereditary
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**Evolutionary** ADHD may be genetic, but it may not have started genetically from original human DNA. This theory says that the disorder developed over time in people that traveled or moved around to different places a lot. So it's genetically evolutionary not just genetically heritable. **Back to Home Page**