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ADHD Evidence Brief

March 2026, Week 3 · From "Myths" to "Understanding" — 5 Scientific Facts Every Parent Should Know

This week we published 5 evidence cards on myths and scientific facts surrounding ADHD. "Is it really a brain disorder?", "Is it the parents' fault?", "Is ADHD overdiagnosed?" — questions many parents have wondered about, answered with large-scale research findings.
01

🧬 Is ADHD Real? — 208 Expert Conclusions

📊 International Consensus (80 experts, 27 countries) Grade A Neuroscience & Biobehavioral Reviews 2021
Research 80 experts from 27 countries derived 208 evidence-based conclusions: ADHD is a real neurodevelopmental disorder with substantial genetic contribution at the population level.
Key A scientific answer to claims that "ADHD is made up." However, genetic contribution is a population statistic and does not determine any individual's fate.
Action Ask your specialist, "I'd like to learn more about the biological basis of ADHD."
Original Article (DOI: 10.1016/j.neubiorev.2021.01.022)
02

👨‍👩‍👧 The "Parents' Fault" Myth — 'Cause' ≠ 'Influence'

📊 SR + Meta-Analysis (59 longitudinal studies) Grade A Prevention Science 2022
Research Meta-analysis of 59 longitudinal studies: parenting may influence ADHD symptoms but is not the cause of ADHD.
Key Changing parenting does not mean ADHD is resolved. "Cause" ≠ "Influence" — remember this distinction.
Action Ask your specialist, "How might adjusting our home environment help my child's daily functioning?"
Original Article (DOI: 10.1007/s11121-022-01358-4)
03

📋 Ages 4–5 vs 6+ — Different First-Line Approaches

📋 Guidelines (AAP + NICE) Grade A Pediatrics 2019 / NICE NG87
Research Ages 4–5: behavioral therapy (parent training) recommended first. Ages 6+: medication + behavioral therapy combined recommended first.
Key Guidelines recommend different first-line approaches by age. Local healthcare environments may differ.
Action Ask the specialist, "What does the guideline recommend as the first-line approach for my child's age?"
Original Article (DOI: 10.1542/peds.2019-2528)
📋 All Cards This Week
Card 1: Is ADHD a Real Neurodevelopmental Disorder?
Card 2: The "Parents' Fault" Myth
Card 3: The ADHD Overdiagnosis Debate
Card 4: Two Common Myths — Only Boys? Outgrow It?
Card 5: Ages 4–5 vs 6+ — Age-Specific Approaches
🔒 See More in PRO
Detailed explanation of the 208 consensus conclusions most relevant to parents
What "genetic basis" really means — "Genetic" ≠ "Determined"
In-depth analysis of the overdiagnosis debate context
AAP vs NICE age-specific guideline comparison table
5 questions to ask your specialist
⚠️ Disclaimer
This information summarizes recent research findings and does not replace medical diagnosis or treatment. All decisions regarding diagnosis, treatment, and medication should be made in consultation with a qualified physician.