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attention deficit hyperactivity disorder causes

NIMH » Attention-Deficit/Hyperactivity Disorder
www.nimh.nih.gov › health › topics
Stress, sleep disorders, anxiety, depression, and other physical conditions or illnesses can cause similar symptoms to those of ADHD. Therefore, a thorough evaluation is necessary to determine the cause of the symptoms. Most children with ADHD receive a diagnosis during the elementary school years.
What is ADHD? - Psychiatry.org
https://www.psychiatry.org › what-is...
Attention-deficit/hyperactivity disorder (ADHD) is one of the most common mental disorders affecting children. Symptoms of ADHD include inattention (not ...
Attention-deficit/hyperactivity disorder (ADHD) in children
www.mayoclinic.org › symptoms-causes › syc-20350889
Jun 25, 2019 · Overview Attention-deficit/hyperactivity disorder (ADHD) is a chronic condition that affects millions of children and often continues into adulthood. ADHD includes a combination of persistent problems, such as difficulty sustaining attention, hyperactivity and impulsive behavior.
Attention deficit hyperactivity disorder - Wikipedia
https://en.wikipedia.org › wiki › Atte...
Attention deficit hyperactivity disorder (ADHD) is a neurodevelopmental disorder characterised by excessive amounts of inattention, hyperactivity, ...
What causes attention deficit hyperactivity disorder? - PMC
https://www.ncbi.nlm.nih.gov › pmc
ADHD is highly heritable, although there is no single causal risk factor and non-inherited factors also contribute to its aetiology. The genetic ...
Attention deficit hyperactivity disorder (ADHD) - Causes - NHS
https://www.nhs.uk › conditions › ca...
The exact cause of attention deficit hyperactivity disorder (ADHD) is not fully understood, although a combination of factors is thought to be responsible.
Is it ADHD? | CDC - Centers for Disease Control and …
https://www.cdc.gov/ncbddd/adhd/features/adhd.html
It is normal for children to have trouble focusing and behaving at one time or another. However, children with ADHD do not just grow out of these behaviors. The symptoms continue, can be severe, and can cause difficulty at school, at home, or with friends. A child with ADHD might: 1. have a hard time paying attention … Näytä lisää
What is ADHD? | CDC
www.cdc.gov › ncbddd › adhd
In addition to genetics, scientists are studying other possible causes and risk factors including: Brain injury Exposure to environmental risks (e.g., lead) during pregnancy or at a young age Alcohol and tobacco use during pregnancy Premature delivery Low birth weight
Causes of ADHD: What We Know Today - HealthyChildren.org
https://www.healthychildren.org › C...
Research to date has shown ADHD may be caused by a number of things: · Brain anatomy and function. · Genes and heredity. · Significant head ...
Attention-Deficit Hyperactivity Disorder (ADHD): Causes
https://www.verywellmind.com › wh...
The exact cause of ADHD isn't known. But researchers suspect there may be several factors that determine whether someone might develop ADHD.
Attention-deficit/hyperactivity disorder (ADHD) in children
https://www.mayoclinic.org › adhd
While the exact cause of ADHD is not clear, research efforts continue. Factors that may be involved in the development of ADHD include genetics, ...
Attention deficit hyperactivity disorder (ADHD) - NHS
https://www.nhs.uk/conditions/attention-deficit-hyperactivity-disorder
VerkkoAttention deficit hyperactivity disorder (ADHD) is a condition that affects people's …
What is ADHD? | CDC - Centers for Disease Control …
https://www.cdc.gov/ncbddd/adhd/facts.html
VerkkoADHD is one of the most common neurodevelopmental disorders of childhood. It is …
Adult attention-deficit/hyperactivity disorder (ADHD)
www.mayoclinic.org › symptoms-causes › syc-20350878
Jan 25, 2023 · ADHD has been linked to: Poor school or work performance Unemployment Financial problems Trouble with the law Alcohol or other substance misuse Frequent car accidents or other accidents Unstable relationships Poor physical and mental health Poor self-image Suicide attempts