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Section 4 - Etiology and Biology (01:09:25)
8 Lessons-
StartGenetics (08:24)
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StartGenetics Continued + Sex Hormones (10:48)
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StartHeritability and Other Associations (06:52)
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Start"Always Sunny" Clip (08:55)
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StartStrong Associations (08:51)
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StartEnvironmental Associations (04:56)
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StartWhat Doesn't Cause ADHD (07:04)
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StartConclusion + Discussion (13:35)
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