No one is sure what causes ADHD. There are many different theories but no one theory in particular has been proven yet. That said; many scientists believe that genes play a role. Results from copious studies suggest that the gene for ADHD runs in families. Because of this, researches are looking at many genes and gene factors that could cause ADHD.
Some learners with ADHD carry a specific version of a certain gene that has thinner brain tissue in the areas associated with attention. However, NIMH research indicated that the difference was not permanent and that as children with this gene grew up, the brain developed to a normal level of thickness. Their ADHD symptoms also improved. Research on this gene could help scientists to one day understand what ADHD is on a genetic level and thereby stop ADHD before is actually occurs.
In addition to genes, scientists are also researching an array of possible environmental factors that could cause ADHD. Some factors include, brain injuries, nutrition, and even one’s social environment.
– Other possibilities include:
Environmental factors: Some studies suggest that certain environmental factors could add to the possibility of ADHD. For example, there seems to be a potential link between cigarette smoking and alcohol use during pregnancy that may increase the likelihood of children being born with ADHD. Other studies suggest that pre-schoolers who are exposed to high levels of lead might also have a higher risk of developing ADHD. Lead can sometimes be found in plumbing fixtures or some paints in older buildings.
Brain Injuries: Young children who have suffered from a brain injury have been known to exhibit behaviours similar to those of ADHD. However, it is important to note that this, like the above, is just one theory of many and only a small amount of ADHD learners have suffered from a brain injury.
Food additives: Recent British research shows a potential link between ingesting of certain food additives like artificial colours or preservatives, and an increase in activity. Research on the validity of this theory is under way.
Does Sugar Cause ADHD?
The idea that refined sugar causes ADHD or makes symptoms worse is popular, but more research discounts this theory than supports it. In one study, researchers gave learners food containing either sugar or a sugar substitute every other day. The learners who received sugar showed no different behaviour or learning capabilities than those who received the sugar substitute. In another study, learners who were considered sugar-sensitive by their mothers were given the sugar substitute aspartame, also known as Nutrasweet. Although all the learners got aspartame, half their mothers were told their children were given sugar, and the other half were told their learners were given aspartame. The mothers who thought their learner had received sugar considered them more hyperactive than other learners and were more critical of their behaviour, compared to mothers who thought their learners received aspartame.
Similar results show how easy it can be to misdiagnose or over-diagnose perceived “problems” of learner behaviour. We, as parents, tutors, and educators might forget what it was like to be young and no longer be familiar with as high levels of energy.
The possibility that learners are being misdiagnosed with ADHD will be discussed at a later stage. However, please note that many matters and theories related to ADHD are, just theories. There is still much research to be done.
Do you have any ADHD information, experiences or tutoring tips you would like to share with us? Feel free to leave a comment.
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