Although the exact cause of ADHD remains unknown, evidence from research has shown that all of the following are suspected etiological factors, EXCEPT:
A)chemical abnormalities in the brain.
B)food additives.
C)maternal substance abuse, lead poisoning, and low birth rate.
D)hereditary factors.

Question

Quizplus · Accepted Answer

Although there have been some studies suggesting a possible link between food additives and ADHD, it is not a widely accepted etiological factor. The other options, chemical abnormalities in the brain, maternal substance abuse, lead poisoning, low birth rate, and hereditary factors have all been studied and are believed to contribute to the development of ADHD.

Although the Exact Cause of ADHD Remains Unknown, Evidence from Research