Fast Five Quiz: Do You Know the Signs, Symptoms, and Best Practices for Attention-Deficit/Hyperactivity Disorder?

Glen L Xiong, MD; Stephen Soreff, MD


January 24, 2017

ADHD can be comorbid with the following conditions:

  • Other developmental learning disorders

  • Conduct disorder or oppositional defiant disorder

  • Bipolar disorder (Studies in the United States have shown a comorbidity prevalence that ranges from 2% to 23%.)

  • Tourette syndrome

  • Pervasive developmental disorder

  • Mental retardation

For decades, speculation and folklore have suggested that foods containing preservatives or food coloring, or foods high in simple sugars, may exacerbate ADHD. Many controlled studies have examined this question. To date, no adequate dataset has confirmed the speculation.

For more on long-term care of ADHD, read here.

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