Correlation between hair elements and intelligencequotientin children with attention deficit/hyperactivity disorder
This study aimed to determine the incidence of Attention-Deficit/Hyperactivity Disorder (ADHD) among primary school children in Ulaanbaatar and identify the correlation between their hair elements and intelligence quotient. Attention-Deficit/Hyperactivity Disorder (ADHD) is a disorder that occurs during childhood development, which presents with signs of reduced attention and hyperactivity1.A total of 973 primary school children 6 – 12 years of age belonging to grades 2 - 5, along with 973 parents/caretakers, and 91 class teachers were recruited from secondary schools of Ulaanbaatar city.