Answer: Yes, it is unusual to have prominent symptoms of ADHD before age of two and almost many adults were never been diagnosed about ADHD in their childhood. Among them most of the people outgrow the symptoms but some of them develops a range of new symptoms in adolescent and adult stage of life. ADHD is worldwide prevalent in Children of 3 to 6 years of age with percentile of 5.29.
Explanation: ADHD, Attention Deficit Hyperactivity Disorder main cause is not exactly known but it is mainly a neurotransmitter or dopamine dysregulation at the early stage of life also research have proven that it runs down in a family. Apart from inheritance or Genetic factors, Pregnancy problem like low birth weight, exposure to alcohol smoke lead might become the factors to impose ADHD to individuals. ADHD symptoms likely to appear either as early in the age of 3 or before the age of 7. The symptoms might continue to adolescent or adult stages or often go away. The symptoms are probably different for every age group. Like Children display inattentive behavior, easy to distract from external stimuli, learning disabilities, unable to solve school work, low self-esteem, emotional dysregulation, low frequency of indoor and outdoor activities and anxiety. If the symptoms advances to adolescent or adult stage the person would suffer challenges in decision making, planning and organizing, maintaining relationship with parents and sibling and also in making friends. The ADHD can be treated by Behavior therapy and parents training and educational programs.
Answer Viruses
I believe the answer is viruses because viruses destroy and attack cells. Also they invade bodies. Hope this was helpful :)
