Title: ADHD is now one of the most common and most studied conditions of childhood. Through research, scientists are refining their theories about the possible causes, some of which include environmental agents and genetics. Environmental and Genetic Influences in Attention Deficit Hyperactivity Disorder (ADHD) and its Comorbidities Andrea Johansson Capusan Department of Medical and Health Sciences Linköping University, SE-581 83 Linköping, Sweden Linköping 2016 . Attention Deficit Hyperactivity Disorder is a chronic condition that affects a person’s level of hyperactivity and impulse control. Causes of ADHD. Knowing this can remove a huge burden of guilt from parents who might blame themselves for their child's behavior. The cause(s) and risk factors for ADHD are unknown, but current research shows that genetics plays an important role. It is not known what causes ADHD. They are finding more and more evidence that ADHD does not stem from the home environment, but from biological causes. 1 ADHD develops when the brain and central nervous system suffer impairments related to growth and development. Social & Cultural Factors influencing ADHD Over- or Misdiagnosis by Kristopher Thompson. Over the last few decades, scientists have come up with possible theories about what causes ADHD.

Among the environmental factors that cause ADHD like symptoms are insecticides, herbicides, household cleaners, manganese, mercury, aluminium, monosodium glutamate, dust mites, fungus infection, as well as from many allergies.

Some people have a chocolate allergy and show ADHD symptoms from chocolate. 2. Multiple studies show that environmental factors may contribute to the development of attention deficit hyperactivity disorder (ADHD). To be specific, it can be argued that ADHD is highly based on biological factors. Of course, this is assuming that you haven’t been diagnosed with ADHD yourself. Many people are wondering whether or not ADHD is based on biological or psychological factors. 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. When ADHD causes … More than likely, you know someone that has been diagnosed with Attention Deficit Hyperactivity Disorder (ADHD) or someone whose child has received this diagnosis.

A person with ADHD will show varying degrees of these three behaviors: inattention, impulsivity and hyperactivity. Attention-Deficit Hyperactivity Disorder (ADHD) is a neurodevelopmental condition that affects both children and adults. Recent studies of twins link genes with ADHD. The exact causes of adult attention deficit hyperactivity disorder (ADHD) are unknown. Causes of ADHD: What We Know Today Attention deficit hyperactivity disorder (ADHD) is a neurobiologic condition whose symptoms are also dependent on the child's environment. For example, some environmental exposures have been linked to increased ADHD symptoms, but the evidence has been inconsistent. ADHD influences the parts of the brain that help us with what is known as “executive functioning.” This includes problem solving, planning for the future, evaluating behaviors, regulating emotions, and controlling our impulses. 1 ADHD is often seen in families, and genes appear to play a role, but other factors may contribute or make symptoms worse. The exact causes of ADHD are unclear, although many people mistakenly believe that the disorder arises from social factors or child-rearing methods.

In particular, researchers believe that there may be a link between ADHD in children and cigarette smoking and alcohol use during pregnancy. Introduction.