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A lot of people have heard of the phrase ADHD being used, sometimes even as mean or rude jokes by friends or to strangers. However, not many people know what it actually is even though ADHD or Attention deficit hyperactivity disorder which affects just about 3-5% of the world’s population, people under the age of nineteen year-old, according to Wikipedia, the free encyclopedia “Attention-deficit hyperactivity disorder.”
ADHD is one of the most feared and misunderstood neural disorders and there are so many families with children face to. Moreover, “[Children with ADHD] are often described as stupid, lazy disorganised, wild, out of control or woozy on drugs,” bbc.co.uk stated in the article “Living with ADHD.” This kind of chronic disorders are results of genes, environment, and head injuries.

First of all, genes, which are inherited from parent, are one of causes of ADHD. Form studies, about three quarters of the population with ADHD got it heritably. For example, if his or her brothers and sisters have these generic traits, he or she tends to have the same condition. According to the study, the chance of occurrence increase 1 in 5 compared to the 1 in 30 world’s population of ADHD people under 19 years old, stated bbc.co.uk. Additionally, the identical twins far more likely both have ADHD than non- identical twins. Not only genes, but environments also cause this disorder.

Environments are one of the most influential factors of ADHD as well. From things such as tobacco and alcohol to head injuries, they all can contribute to this and result. For instance, smoking during pregnancy and birth, including premature birth might also be a cause of this. Wikipedia stated’ “ Many researchers believe that attachments and relationship with caregivers and other features of a child’s environment have profound effects on attentional and self-regulatory capacities.” With head injuries people also show ADHD like symptoms, probably...