While the exact cause of ADHD is not clear, research efforts continue. The exact cause of attention deficit hyperactivity disorder (ADHD) is not fully understood, although a combination of factors is thought to be responsible. For example, studies involving brain scans have suggested that certain areas of the brain may be smaller in people with ADHD, whereas other areas may be larger. Significant head injuries may cause ADHD in some cases. Research has identified a number of possible differences in the brains of people with ADHD from those without the condition, although the exact significance of these is not clear. Genetic Factors: Genetic factors play a very relevant role in the origin of ADHD. Close menu, Back to Attention deficit hyperactivity disorder (ADHD). The cause of ADHD is unknown! The cause(s) and risk factors for ADHD are unknown, but current research shows that genetics plays an important role. If an older sibling has it, a child has more than a 30% chance. Thus, ongoing ADHD research has attempted to answer the question, "What causes ADHD?" ADHD: Brief overview. Researchers believe that some toxins may interfere with brain development. Certain parts of the brain may be less active or smaller in children with ADHD than those without the disorder. Such anomalies are triggered by an imbalance of the neurotransmitters dopamine and noradrenaline which play an important role in the transmission of stimuli in nerve cells. Studies have shown that ADHD symptoms are related to the biology of the brain. Some experts believe that food additives may exacerbate ADHD. In this article, we will talk about the 7 causes of ADHD. If a parent has ADHD, a child has more than a 50% chance of having it. Untreated ADHD can cause numerous mental and physical problems that can put a strain on relationships and cause difficulties in many aspects of everyday life. The risk of ADHD was greater in children whose mothers were heavy smokers. The precise causes of ADHD are unknown. Researchers at the National Institute of Mental Health (NIMH), National Institutes of Health (NIH), and across the country are studying the causes of ADHD. It’s not completely known what causes ADHD. Environment factors such as childhood exposure to lead has been linked to many cases. Scientific studies have shown that in people with ADHD some important parts of the brain are developing more slowly and communicating … ADHD, Food Dyes, and Additives: What's the Link? The study couldn't conclude that smoking causes ADHD but it did indicate that a correlation exists. What Causes ADHD? Next review due: 30 May 2021, Attention deficit hyperactivity disorder (ADHD), who were born prematurely (before the 37th week of pregnancy) or with a low birthweight, with brain damage – which happened either in the womb or after a severe head injury later in life. Genetics may have a role in whether someone will develop this disorder as it can appear in generations of families. Scientists are studying cause(s) and risk factors in an effort to find better ways to manage and reduce the chances of a person having ADHD. Factors that may be involved in the development of ADHD include: 1. Even with this wealth of data, experts remain uncertain as to the exact cause of the disorder. All rights reserved. What causes ADHD? In very rare cases, toxins in the environment may lead to ADHD. For example, research has noted a correlation between women who use cigarettes and/or consume alcohol while pregnant and the risk of their child developing ADHD. These factors are organized in terms of Aristotle’s four kinds of “causes,” or explanations: formal, efficient, material, and final. Certain environmental factors also may increase risk, such as lead exposure as a child. Problems during development. It carries signals between nerves in the brain and is linked to movement, sleep, mood, attention, and learning. ADHD isn't entirely caused by genetic factors. And we know at least some of those differences. Research shows three major factors connect ADHD diagnosed cases. But we do know that ADHD is a disorder that occurs when the brain develops differently. Although it’s been debated, research does not show that ADHD is linked to eating too much sugar or watching a lot of TV. With the disorder of discipline our information about the heritability of ADHD are not a factor smoking... Major factors connect ADHD diagnosed cases blame for a range of abnormal behaviors such as childhood exposure lead. Do know that ADHD is an inherited neurodevelopmental disorder ADHD 's causes and the media studies have confirmed ADHD. Activity and metabolism to ADHD suggest an important role lobe, can cause problems controlling and... 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