Investigations of the Causes of ADHD Have Found That Environmental

question 86

Multiple Choice

Investigations of the causes of ADHD have found that environmental toxins,such as food additives and lead

• A)do not explain more than a small percentage of cases.
• B)are usually the cause of the disorder in those children with an organic basis to their ADHD.
• C)are more likely to cause attentional problems without hyperactivity,but not in those children with both attentional problems and hyperactivity.
• D)cause subtle attentional problems,but not to the degree of ADHD.

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